I have twenty books on my shelf.
我的书架上有二十本书。
She bought twenty apples at the store.
她在商店买了二十个苹果。
There are twenty students in our class.
我们班有二十个学生。
He spent twenty dollars on a new shirt.
他花了二十美元买了一件新衬衫。
The meeting lasted for twenty minutes.
会议持续了二十分钟。
I walked twenty steps forward.
我向前走了二十步。
She needs twenty more minutes to finish.
她还需要二十分钟才能完成。
There are twenty colors in this box of crayons.
这个蜡笔盒里有二十种颜色。
He can lift twenty kilograms easily.
他能轻松举起二十公斤。
The train journey takes twenty hours.
火车旅程需要二十个小时。
复数: twenties;
