抗体能够识别细胞膜上的糖蛋白。

Antibodies can recognize ___glycoproteins on the cell membrane.

这种糖蛋白在免疫系统中帮助识别外来入侵者。

This ___glycoprotein helps the immune system identify foreign invaders.

眼泪中含有糖蛋白，可以保护眼睛免受细菌感染。

Tears contain ___glycoproteins that protect the eyes from bacterial infections.