He plans to visit twenty-one countries in the next year.
他计划在明年访问二十一个国家。
There are twenty-one students in my English class today.
今天我的英语课上有二十一个学生。
She received twenty-one birthday cards from her friends.
她收到了朋友们寄来的二十一张生日贺卡。
The building has twenty-one floors including the rooftop.
这座建筑包括屋顶在内有二十一层。
I have read twenty-one books so far this year.
今年到目前为止我已经读了二十一本书。
The concert will start at twenty-one minutes past seven.
音乐会将在七点二十一分开始。
They bought twenty-one apples from the local market.
他们从当地市场买了二十一个苹果。
Our team scored twenty-one points in the first half.
我们队在上半场得了二十一分。
The package will arrive in twenty-one business days.
包裹将在二十一个工作日内送达。
The hotel room number is twenty-one on the second floor.
酒店房间号是二楼的二十一号。
twenty-one gun salute 二十一响礼炮
twenty-one years old 二十一岁
twenty-one card game 二十一点牌戏
twenty-one questions 二十一问
twenty-one flavors 二十一种口味
twenty-one pilots 二十一飞行员
twenty-one days 二十一天
