Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
While my car is in the shop, they have given me a courtesy car to drive around.
我的车还在修理店时，他们给我一辆替代车用。
Don't throw out your dirty water before you get in fresh.
清水未打来，赃水莫倒掉。
Then, squinting his eyes, he said:
接着，他斜着眼，说：