Epicycloidal
圆外旋轮线的
🗣️ 情景例句
What? Tell me.
什么事？ 说给我听听。
East, west, home is best.
金窝、银窝，不如自己的草窝。
She was not especially pretty. But she was extremely bright.
她不是特别漂亮，但她极聪明。