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Longman Dictionary of Contemporary English
導出
最近搜尋:
se
230
hassock
146
Venturing
112
Depression
473
wrangler
111
hamstring
274
consultation
405
dramatist
215
light bulb
300
carcinoma
265
rotten
740
hamstrung
194
lt
102
Scientists
119
grub
320
thinner
148
disestablish
217
Eye
443
sight
1294
lock
961
big-headed
224
assn.
181
set up
376
cgi
234
swell
811
TOUR
286
y
149
stock up
103
end user
292
larcener
87
misinform
171
mecca
165
renewable
268
stock
973
impromptu
238
lullaby
214
poxy
201
peewee
135
pox
197
Inured
94
perspicacious
174
mohawk
151
repair
915
salvage
299
infiltrator
92
tumbledown
154
compatriot
288
virtuoso
220
remade
104
vibes
269
grapiest
165
amharic
130
shedload
111
ecocide
216
eu
112
decimalization
152
hacktivist
262
foxed
89
unearthly
132
Rain
404
ochs
81
spotlight
373
unspoken
135
Triathlon
103
pulley
158
stir
876
gin
480
cwt
205
maidenhair fern
103
mystery shopper
111
cyclops
221
Methane
151
indulgent
267
inoperative
265
adze
271
fat
607
simmer
246
Scurvy
152
elder statesman
210
legal
949
use something ↔ up
283
cautionary tale
99
savings account
66
contours
136
gum something ↔ up
209
perspicacity
74
empire-building
218
negation
171
poundcake
70
ex-servicewoman
183
incomprehensible
450
narrow
1050
graduate school
188
checkup
263
central heating
288
vhf
170
ancient history
185
Reality
283
generally
721
declare against
121
factory-farming
84
screening
267
entirely
296
honour
949
chalice
262
tuxedo
260
channel hopping
234
mainstay
136
plankton
285
onslaught
376
fairytale
238
founding father
221
ere
291
globe artichoke
258
guy
870
fairy godmother
220
mild
932
reAD
297
due
765
Bud
13
ABC
179
public affairs
125
absorbance
259
reed
683
rude
1330
BCE
144
droopy
176
Fry
299
Cue
199
ponies
77
Drum
291
Did
158
fuel injection
267
mathematics
797
in spite of sth
82
p.m.
392
p.w.
156
air raid
246
root something ↔ out
259
residence
903
wean sb off sth
56
fly-on-the-wall
185
all-you-can-eat
148
gold-plated
230
sandy
927
crazy
938
Oasis
401
Fortune
341
Ricochet
430
pleather
112
excitable
284
chipper
244
emotional
843
mayoral
79
Event
513
a survival from something
83
cock
787
dissector
129
Harm
430
Map
259
lubricate
834
complacency
435
scourge
192
petrifying
87
man of letters
144
peal
430
bat
833
raze
282
soup
751
born
821
two-time
522
Venue
504
bulk
869
Tried
184
fame
975
penetrate
2031
Certain
449
pass
1249
attend
973
Transition
400
Milk
357
Detest
233
police
1057
GATE
363
capsulate
105
Burnout
119
Vase
271
judge
975
Unit
251
lazy
995
smithereens
172
Melt
328
penalty
481
hepatic
145
a suspicion of something
156
contemplation
382
Note
325
mope
278
limb
791
approval
933
dawn
827
Patron
383
load
1277
fond
898
info
199
flaw
420
Lame
307
Swell
404
Nail
296
adhere
717
gb
237
Self-defeating
21
sway
770
Generous
226
Striking
327
estop
157
Fact
402
gang
927
radiative
95
phantasy
153
vie
287
NLRB
86
standardize
369
vocalization
156
TIME
220
fate
879
curl
909
dearth
218
fiji
193
dock
915
rein
916
lead
1355
Gust
188
bony
254
pain
943
serf
407
Steer
280
ti
251
cursor
433
legend
821
Lift
446
hassle
390
bar
1000
Ring
500
chill
906
Establishment
413
ahead
268
Heart
337
Economics-topic economics
82
Spicy
424
hazy
263
sexagenarian
137
Hold up
78
conn
107
motivationally
91
sap
538
miss
518
Uproar
338
area
1386
faculty
869
pale
975
heat
912
factoid
254
glitch
418
Work
4112
Push
350
solve
1014
uvular
124
faculties
112
Similar
292
Wizard
195
Mist
195
pink
815
horn
1183
reception
819
jump
590
pin
877
gaze
953
fool
916
mist
827
doorman
300
Born
203
Ball
298
encircle
428
capri
113
Role
535
Brutal
229
abed
226
jinn
263
Aspect
418
Sow
284
stripling
145
vase
739
procrastinate
517
footstep
804
beggar
732
Gait
372
bade
152
cap
887
clearance
343
joky
90
outspoken
483
Ending
315
Hand
450
van
806
soul
848
Shard
156
tap
1166
Dash
206
pukka
158
Revolt
283
disaster
824
alternative
1012
arbitrate
325
blackboard
389
impart
294
brooklet
100
air-raid
186
Sob
286
arbitrative
96
Taxi
146
Pungent
305
Roar
156
Endoscope
92
cherry
689
plea
478
remain
809
wilt
318
Wool
311
pork
227
retribution
600
bulk-buy
64
Visa
440
cope
906
orthodox
468
Juggler
144
Scar
373
resin
216
terrapin
163
Jaw
313
pan
955
metallic
223
consciousness
966
folic acid
272
drum major
252
foul
428
-tastic
153
minimalism
252
Bait
277
twin
841
pick
1053
am
268
mall
342
bow
909
pure
769
winner
859
Leader
408
blot
417
wish
687
mourn
778
religious
817
push
524
Huge
399
ams
118
shrill
416
newcomer
432
insider
152
Sorely
251
Certainly
242
Counterfeit
307
sick
543
able
633
Clap
391
Tint
307
tail
985
bond
980
hydrofoil
133
Gate
293
No.
122
Norm
252
Able
453
harm
838
geek
372
Abnormal
396
clientless
115
raft
548
Play
314
greenery
309
shoulder
849
turn
594
Rat
248
move
615
ship
449
Scream
297
hear somebody out
135
Colorado
110
blockade
294
style
1054
Well-being
112
Spray
260
firewater
205
Boy
329
QUITTING
81
Morpheme
125
swearword
136
swear word
145
outrider
200
Unemployed
376
greeneries
114
iffy
194
Lion
39
zeal
969
echo
899
colorless
166
hear sb out
73
Item
417
modulator
84
pushed
166
Lump
168
farm
468
gunfight
263
Stamps and addresses on letters and parcels
110
Hilt
86
taxi
365
gunfighter
121
hear out
118
outriding
82
boyf
219
Downtime
258
Obese
278
corruption
432
garage
902
Presence
425
Hub
225
Sailor
384
theatrical
417
neutral
798
Cloud
487
esthetics
161
cause
1255
zealous
710
shiny
222
Spec
140
gift wrap
287
Unsurpassed
139
lump
825
retell
700
oyster
159
lumps
86
Chore
145
feel like (doing) something
203
theatricality
42
epistle
215
work
733
shagged
178
reforest
98
invasion
833
etch
262
home town
313
moaner
81
Holiday
318
Grandiloquent
151
giftwrapped
116
lens
855
ha
212
handle
964
poison
923
SEAT
253
lift off
175
al-anon
189
exec
214
animated
335
double agent
249
Funding
331
Institute
408
Communication
640
hour
471
calm
1096
do
535
indiscretion
173
embryo
258
Rump
194
driving-school
108
Waste
409
obit
169
skin
821
flee
887
assistant
874
tzar
142
Local
342
Offing
184
baleful
220
Methodist
183
omit
847
groundskeeper
171
piety
191
temperature
862
Registration
378
least
671
Save
220
BNC: 0
COCA: 20581
Longman Dictionary of Contemporary English
melatonin
Related topics:
Human
,
Drugs, medicines
mel
·
a
·
to
·
nin
/
ˌmeləˈtəʊnɪn
$
-ˈtoʊ-
/
noun
[
uncountable
U
]
a
hormone
that is
sometimes
used as a
drug
to help you
sleep
褪黑激素〔有时用作安眠药〕
Examples from the Corpus
melatonin
•
The results
raise
an
interesting
problem for people studying other effects of
melatonin
.
•
A
synthetic
form of
melatonin
can be
bought
over-the-counter
at
health
food
stores
and many
pharmacies
.
•
Daily
injections
of
melatonin
given at 3.30 each
afternoon
, entrained the
rats
to a 24 hour
cycle
.
•
Perhaps
melatonin
would help him get a little
rest
.
•
When the
sun
goes down, the eyes
cue
the
gland
to start
pumping
melatonin
.
•
There may be
uncertainties
surrounding
melatonin
, but it is clearly the
dose
of the
moment
.
•
The rat does not immediately
adjust
its daily
rhythm
to the
melatonin
.
•
Starlings
, which are
active
during the day,
lock
on to
melatonin
when it
coincides
with the end of their
activity
.
Origin
melatonin
(
1900-2000
)
Greek
melas
“
black
”
+
English
serotonin
mel
·
a
·
to
·
nin
noun
Chinese
Syllable
Corpus
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