Cassinoid
卡西尼卵形线
🗣️ 情景例句
there's a lot to do around the house,
这屋里有很多事可做，
When could we typically expect delivery?
我们希望常规的发货时间是什么时候呢？
Sam, what are you going to do tomorrow?
山姆，你明天打算干啥？