Pkf
[医][=phagocytosis and killing function]吞噬和杀伤功能
🗣️ 情景例句
I'm afraid it just isn't good enough.
恐怕这不够好。
I get to work at nine o'clock every morning.
我每天早上9点钟上班。
He was rather elderly with grey hair and clear blue eyes.
他上了年纪，有着灰白的头发和明亮的蓝眼睛。