核心词义
thirty
英[ˈθɜːti] 美['θɜːrti]
核心词义
n. 三十年代
num. 三十
adj. 三十个的
thirty 基本解释
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
速记技巧
词源考究法
来自three,三,-ty,十,词源同ten.
thirty 变化形式
复数: thirties
知识扩展
习语积累
习语 num. in your thirties 30多岁 between the ages of 30 and 39
中文词源
thirty 三十
来自 three,三,-ty,十,词源同 ten.
thirty 用法和例句提示:点击例句中的单词,就可以看到词义解释
提示:点击例句中的单词,就可以看到词义解释
- 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。