我站在前排的中间。

Wǒ zhàn zài qiánpái de zhōngjiān.

I'm standing in the middle of the front row.

我看见小狗在床和桌子中间。

Wǒ kànjiàn xiǎogǒu zài chuáng hé zhuōzi zhōngjiān.

I saw the puppy between the bed and the desk.

你坐中间，我坐这里。

Nǐ zuò zhōngjiān, wǒ zuò zhèli.

You sit in the middle, I will sit here.