Epicycloidal
圆外旋轮线的
🗣️ 情景例句
I am not in agreement with what he said.
他说的话我不能同意。
Each bird loves to hear himself sing.
鸟儿都爱听自己唱歌。
You see, I put some soil in the box, sow the seed carefully like this, and then cover it with more soil.
你瞧，我在盒子里放些泥土，像这样小心地把种子播下，然后再用多一点儿的土盖住种子。