Cissoid
凹边的,蔓叶线的
🗣️ 情景例句
We had a summer house on Fire Island.
我们在火岛有一所避暑别墅。
We must not lie down, and cry, God help us.
求神不如求己。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。