Pericycloid
週摆线
🗣️ 情景例句
They defrauded the bank of $200,000.
他们从银行骗了20万美元。
One father is more than a hundred school-masters.
一个父亲胜于一百个教师。
Not at all, smiled Lucy. You're welcome!
“没关系，”露茜笑着说，“不用谢！”