Pentagons
n. 五边形, 五角形( pentagon的复数形式 ); 五角大楼（指美国国防部）
🗣️ 情景例句
I've still got a ton of paperwork left to do.
我有成吨的工作要做。
Would you please give us a rough idea of the quantity you require?
请告知你方大概要订多少？
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。