Ack-ack
n. 高射炮
🧩 词语组成解析
[计] 确认字符, 肯定, 确认
[计] 确认字符, 肯定, 确认
🗣️ 情景例句
How was your flight?
旅途愉快吗？
This is a check.
这是一张支票。
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小时以前我在这里买了两本很贵的辞典，但是我忘了拿走。