二十个人听了演讲者的演讲。

Twenty people listened to the speaker's speech.

有四十个学生，二十个女生和二十个男生。

There are forty students, twenty girls and twenty boys.

我们班有二十个学生。

There are twenty students in our class.

教室里有二十个学生。

There are twenty students in the classroom.

这座办公楼有二十个楼层高。

The office building is twenty storeys high.

他买了二十个苹果。

He bought twenty apples.

这座蔓延的豪宅有超过二十个房间和广阔的花园。

The sprawling mansion had over twenty rooms and extensive gardens.

我从房子的各个地方收集了二十个瓶子。

I collected up twenty bottles from various parts of the house.

二十个剃的光光的后脑勺。

Twenty shaved heads.

以下是二十个拟声词。

Here are twenty common onomatopoeias.