Basiconic
锥形的
🗣️ 情景例句
He is a good speaker of English.
他英语说得非常流利。
I'm a graduate of Yale University., I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
Thus the rods, by falling, and by the direction in which they fell,
木棒倒下的多少和倒下的方向