Jordan curve
约当曲线（等于simple closed curve）
🧩 词语组成解析
jordan
[['dʒɔ:dn]]
n. 约旦, 约旦河, 尿壶
curve
[kɝv]
n. 弧线，曲线;曲线状物;弯曲物;[棒]曲线板;
vt. 使弯曲;使成曲线;使成弧形;
vi. 弯曲;弯成曲线，弯成弧形;沿曲线行进;
adj. 弯曲的;曲线形的;
🗣️ 情景例句
A good medicine tastes bitter.
良药苦口。
I'm good at it.
我做这个很在行。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。