Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
Hello, how are you doing today?
你好， 今天怎么样？
But it looks like that's out of the question.
但现在看起来不太可能。
A day may begin well enough, but suddenly everything seems to get out of control.
一天开始时，可能还不错，但突然间似乎一切都失去了控制。