Closed polygon
[计] 封闭多边形
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
polygon
['pɔligən]
n. 多边形，多角形;龟裂状;
🗣️ 情景例句
Sounds interesting.
听起来很有趣。
Mrs.Jones,this is Mr. John Smith.
琼斯夫人，这是约翰、史密斯先生。
The list included most of the things Hugh loves: butter, potatoes, rice, beer, milk, chocolate; and sweets.
黄油、土豆、米饭、啤酒、牛奶、巧克力和糖果。