Celts
n. [考古]史前期的石斧；凯尔特人（Celt的复数）
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
That's a bad idea if I've ever heard one!
你出这什么馊主意！
It is the one world in the Solar System that is most like the Earth.
火星是太阳系里与地球最接近的一颗行星。