海伦，我再敲一次。毫无动静，肯定家里没有人。

I'll knock again, Helen. Everything's very quiet. I'm sure there's no one at home.

youdao

海伦，我再敲一次。毫无动静，肯定家里没有人。

I'll knock again, Helen. Everything's very quiet. I'm sure there's no one at home.

youdao