Lef
[医][=leukokinsis-enhancing factor]白细胞移动增强因子
🗣️ 情景例句
I grew up in a very close, loving family.
我生长在一个亲密友爱的家庭中。
Go along the corridor and it's on your right side.
沿着走廊走，在你右手边。
At nineteen minutes past eight.
8点19分。