Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
It was so nice meeting you, Mr. Stewart.
很高兴遇见你， Stewart先生。
Things done cannot be undone.
木已成舟。
I've travelled many miles and I'm very glad I made the effort.
我远道而来，但是我很高兴没有白跑。