30怎么写英语单词

thirty 三十；

例句By sunset we had covered thirty miles. 到日落时我们已走了三十英里。

only thirty students graduated in Chinese last year.

去年只有三十名学生获得汉语学士学位。

The driver was a trim young woman of perhaps thirty.

驾车者是一位大约三十来岁的苗条年轻女子。

If I might hazard a guess , I\'d say she was about thirty.

让我来猜的话，我说她大约三十岁。

Yesterday no fewer than thirty climbers reached the summit.

昨天不少于三十名登山者到达了顶峰。