Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
I will serve coffee and pumpkin pie.
我来准备咖啡和南瓜派。
Why are you so mean? I've never done anything to you.
凶什么凶？ 我又没得罪你。
To his astonishment, the bee began to perform a dance on the surface of the honeycomb.
冯·弗里施就透过玻璃进行观察。