Peritrochoid
外摆线圆
🗣️ 情景例句
What kind of game devices do you have?
你们有什么样的游戏操纵系统？
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
Pumas are large, cat-like animals which are found in America.
美洲狮是一种体形似猫的大动物，产于美洲。