Cissoid
凹边的,蔓叶线的
🗣️ 情景例句
There are no dues.
不要会费。
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
Sometimes people cook this food at home, but usually they go to a fish and chip shop.
人们有时在家里做这种食品，但通常还是到炸鱼和土豆片店去买。