然后他们分离对抗感染的白细胞，并提取抗生素蛋白。

They then isolated infection-fighting white blood cells and extracted antibiotic proteins.

youdao

然后他们分离对抗感染的白细胞，并提取抗生素蛋白。

They then isolated infection-fighting white blood cells and extracted antibiotic proteins.

youdao