你必须开慢点。你必须穿救生衣。你必须在红灯时停。

You must drive slowly. You must wear a life jacket. You must stop at a red light.

youdao

你必须开慢点。你必须穿救生衣。你必须在红灯时停。

You must drive slowly. You must wear a life jacket. You must stop at a red light.

youdao