Epicycloids
(epicycloid 的复数) n.[数]圆外旋轮线, 外摆线
🗣️ 情景例句
You would be well-advised to stay at home tonight.
你今晚还是呆在家里为妙。
In the multitude of counsellors there is safety.
谋士多，保安全。
Oh, listen to the loudspeaker. I think Mr. Hu is going to tell us the result right now.
哦，请听广播。我想胡先生马上就要宣布比赛结果。