Pericycloid
週摆线
🗣️ 情景例句
Mrs. Ellen Stewart has taken an early lead.
Ellen Stewart太太初步领先。
He is a gentle horse that never cast his rider.
驯良的马绝不会把骑手甩倒。
Where's Mr. Williams this evening?
威廉斯先生今晚去哪儿了？