Lef
[医][=leukokinsis-enhancing factor]白细胞移动增强因子
🗣️ 情景例句
Besides, reasonable quantities of marketing literature are supplied free of charge.
此外，我们还免费提供一定数量的营销资料。
Well, what do you want?
不然你想怎样？
Thanks. I see them now.
谢了，我现在看到了。