Biogas
[机] 生物沼气
🗣️ 情景例句
It's OK, lady. Take your time.
没关系， 太太。慢慢来。
Oh well, you'll just have to remember their names.
好吧，你们只好记住他们的名字了。
They must keep their hands behind their backs.
他们得一直将手放在背后。