Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
You won't regret it.
你不会后悔的。
It sounds like you enjoyed it.
听起来你好象蛮喜欢的。