Quadrilaterals
n. 四边形\\na. 四边形的
🗣️ 情景例句
There are a few openings in publishing for new graduates.
出版业中几乎没有给新毕业生的空缺。
I hadn't planned on swimming across the whole lake.
我可从没计划要游过整个湖。
The book is protected by copyright.
该书受版权保护。