Cassinoid
卡西尼卵形线
🗣️ 情景例句
Birds of a feather flock together.
物以类聚。
Do you usually learn French after school?
你通常在放学后学法文吗？
I can't see them there. Did you buy any this morning?
桌子下面没有。你今天早晨买了吗？