Btu
基本传输单位
🗣️ 情景例句
We can have somebody come by, but it won't be right away.
我们可以派人去，但现在不行。
A good horse cannot be of a bad colour.
良马的毛色不会差。
She has been helping her husband for thirty years now.
她已经帮了她的丈夫30年了。