Reentrant polygon
凹多边形
🧩 词语组成解析
reentrant
[ri:'entrənt]
n. 再进去，凹角;
adj. 再进去的，凹角的;
polygon
['pɔligən]
n. 多边形，多角形;龟裂状;
🗣️ 情景例句
His job provides a very handsome salary.
他工作的薪酬十分可观。
No. I have been away on vacation.
是呀，我休假去了。
Don't forget to give her some food and change her water, will you?
请不要忘记给她一些食物和换水，你不会忘记吧？