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
Look, they have a special offer on leather shoes.
看，他们这儿皮鞋有特殊优惠。
It would help if you could try to speak a little slower.
请你尽量放慢说话速度。
David Hall,83, Bridge Street.
大卫。霍尔，大桥街83号。