他是一名作家同时也是一名教师。

Tā shì yì míng zuòjiā tóngshí yě shì yì míng jiàoshī.

He is a writer and at the same time a teacher.

我们同时到学校了。

Wǒmen tóngshí dào xuéxiào le.

We arrived at school at the same time.

这个房间可以同时住三个人。

Zhège fángjiān kěyǐ tóngshí zhù sān gè rén.

This room can accommodate three people at the same time.