Acknowledger
n. 认收开关；了望装置
🗣️ 情景例句
I'm sorry, I didn't get your name.
对不起，我没听清楚你的名字。
I'm going to be sixty-one next Tuesday.
下星期二我将60岁了。
But when table, penholder and paper are all moving, how is it possible to write legibly?
可是，当桌子、夹笔装置、纸都在移动时，怎么能书写得清楚呢？