Efficaciousness
n. 有效;灵验
🗣️ 情景例句
Tom's about to open the doors. Tom
准备要开门了。
He apologized for having offended her visitors.
他因为冒犯她的客人而向她道歉。
Yes. I said, could I borrow your radio, please? Mine's broken.
好的。我说，我想借用您的收音机，可以吗？我的收音机坏了。