Hypocycloidal
内圆滚线
🗣️ 情景例句
Tell me all about your interests, your hobbies ...
告诉我你所有的兴趣和爱好。
I'm Jim.
我是吉姆。
I'd like to have my boss go through the plant some day.
我真想叫我老板哪天也过来看看。