Isoperimetric
[计] 等周的
🗣️ 情景例句
OK. Your offer si 5%. I think you have yourself of a deal.
好的，你们降价5%，我们就这样说定了。
A good horse cannot be of a bad colour.
良马的毛色不会差。
Spirits labelled 95 proof contain only about 47 percent alcohol.
强度标为95的酒中含47％的酒精。