Lef
[医][=leukokinsis-enhancing factor]白细胞移动增强因子
🗣️ 情景例句
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
There are seven of us altogether.
一共有7个。
Then anyone who wants to can go for a walk round Aswan after the boat trip.
那么，想乘船的人就可以在乘船游览之后到阿斯旺各处走走。