Phrenosterol
[医] 脑甾醇
🗣️ 情景例句
It was about caring.
谈到关心。
One hour today is worth two tomorrow.
今天的一个小时抵得上明天的两个小时。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，