Epstein's disease
[医] 爱泼斯坦氏病, 假白喉
🧩 词语组成解析
🗣️ 情景例句
Am I making sense?
我把意思说明白了吗？
Who has never tasted bitter, knows not what is sweet.
不尝黄连苦，怎知蜂蜜甜。
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，