Cycloid
n. 摆线, 轮转线\\na. 圆形的, 循环性格的
🗣️ 情景例句
and use their talents.
贡献他们的才能。
It's a long story.
说来话长。
What a delicious supper! Next time you must come to us.
多好吃的一顿饭呀！下次你要到我们家作客啊！