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BNC: 1003 COCA: 2833

thirty

Word family 
Related topics: Numbers, Chronology
thir·ty /ˈθɜːti $ ˈθɜːrti/ ●●● S3 W3 number  
1. HMNthe number 30 三十
2  the thirties (also the '30s, the 1930s) [plural]TMCSH the years from 1930 to 1939 （二十世纪）三十年代
 In the thirties, air travel really began to take off.
在30年代，乘飞机旅行迅速流行了起来。
the early/mid/late thirties
 The family sold the house in the early thirties.
30 年代初期，这家人把房子卖了。
3  be in your thirties AGEto be aged between 30 and 39 在三十到三十九岁之间，是三十多岁
early/mid/late thirties
 She must be in her early thirties by now.
她现在肯定是30岁出头。
4  in the thirties TMTif the temperature is in the thirties, it is between 30 degrees and 39 degrees （温度〕三十多度
in the low/mid/high thirties
 a hot day, with temperatures in the low thirties
气温在三十一二度的一个热天
—thirtieth adjectiveadj , pronoun
5 I’m planning to leave on the thirtieth (= the 30th day of the month ).
我打算30号走。
 her thirtieth birthday
她的30岁生日
Origin thirty
Old English thritig, from thrie “three”
thir·ty number
Chinese
Syllable

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