英语语法分析

Pterygium: a white or creamy fleshy growth on the surface of the eye;

翼状胬肉：眼睛表面的一种白色或乳脂肉质生长；

Within three months, she'd undergone surgery to have the pterygium removed from her right eye.

三个月之内，她就动了手术，将右眼上的翼状胬肉给切除了。

Objective to observe the effects of limbal epithelium autograft and using 5-fu in the treatment of pterygium.

目的观察自体角膜缘上皮移植联合5—氟脲嘧啶治疗翼状胬肉的疗效。