Pkf
[医][=phagocytosis and killing function]吞噬和杀伤功能
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
My phone was out of order.
我的电话坏了。
That'll be very intersting. What cities are you going to visit?
那一定很有趣。你们打算参观哪些城市？