Peritrochoid
外摆线圆
🗣️ 情景例句
Did you see what Diane was eating? And she's on a diet.
你看戴安妮在吃什么吗？她在节食啊。
Don't be afraid.
不要害怕。
You could save a lot if you would order a little more.
如果你单子下得多一点，可以省不少的钱。