Ack
[计] 确认字符, 肯定, 确认
🗣️ 情景例句
I know,
我知道，
I approve of your decision.
我赞成你的决定。
I'm afraid he's out at the moment. He's at the cinema. Can I take a message?
恐怕他这会儿不在家。他在电影院。我可以给你捎个信儿吗？