Cissoid
凹边的,蔓叶线的
🗣️ 情景例句
I earned this, and I'm going to enjoy it.
我辛苦赢得的 我要去享受它。
The many children of that family used to play together for hours.
那一家的孩子们常常大伙一起玩上几个小时。
I must apologize!
我必须道歉！