Emargination
n. 边缘有凹痕, 尖端微凹
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
Who is it? Come down.
是谁？下来。
I learnt to drive in four weeks。
我四个星期就学会了开车。