Cissoid
凹边的,蔓叶线的
🗣️ 情景例句
If you stick to the truth, you'll have nothing to fear.
如果你坚持真理，就会无所畏惧。
May I ask you how old you are?
我能问你多大了吗？
In a short time I was busy mixing butter and flour and my hands were soon covered with sticky pastry.
不一会儿我就忙着调拌起了黄油和面粉，很快我的手上就沾满了粘粘的面糊。