thirty的读音 thirty中文意思

英音  ['θɜ:tɪ] 
美音  [ˈθɜ:tɪ] 
n. 三十;三十个;三十年代;三十的记号
adj. 三十的,三十个的
num. 三十;三十个
复数: thirties
中文词源
thirty 三十
来自 three,三,-ty,十,词源同 ten.
thirty 用法和例句
Thirty minutes of sex burns 85 calories or more .
三十分钟的性可以烧掉85卡路里或更多的热量。
These are seventy dollars and those are thirty dollars .
这双是七十元,那双是三十元。
An experimental innovator would go back to haiti thirty times .
一个试验型的创作者会重返海地多达三十次。
But in thirty years , only seven acres have been uncovered .
但是三十年来,仅找遍了七英亩。
Thirty years later , it was covered with trees .
但三十年以后,陆地都被树林所覆盖。