Lef
[医][=leukokinsis-enhancing factor]白细胞移动增强因子
🗣️ 情景例句
Lacks social skills.
缺乏社交能力。
A fall into the pit, a gain in your wit.
吃一堑，长一智。
The beautiful are envied by the ugly.
美人总为丑陋者所嫉妒。