Ack
[计] 确认字符, 肯定, 确认
🗣️ 情景例句
Yes, I went to the aerobics class today.
去了啦， 我上了有氧运动课了。
Catch the bear before you sell his skin.
大事未成时，莫开庆功宴。
These things happen all the time.
这是常有的事。