Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
Young motorists all drive too fast.
年轻人的车都开得飞快。
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
'Have you anything to declare?' he asked, looking me in the eye.
“您有什么需要申报的吗？”他直盯着我的眼睛问。