Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
Of course.
当然。
How will you spend the evening?
你晚上干什么？
That sounds like a good idea. I have a few friends I could ring to see if they're free.
听起来是个好主意。我可以打电话给我的几个朋友看看他们是否有空。