Boundary function
[计] 分界功能
🧩 词语组成解析
🗣️ 情景例句
Where do you usually spend your weekends?
你通常在哪度过你的周末？
A moneyless man goes fast through the market.
一个没钱的人很快穿过市场。
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。