Lef
[医][=leukokinsis-enhancing factor]白细胞移动增强因子
🗣️ 情景例句
What time does the library close?
图书馆什么时候闭馆？
I'm sorry the casserole has gotten over cooked.
对不起，沙锅给炖焦了。
Don't move!
不许动！