英语语法分析

Note the edge of the speculum is sharp.

注意边缘的窥器是尖锐的。

You will be aware of a support (speculum), which helps to hold your eye open.

你会感受到一个撑子(扩张器)，它可以保持你的眼睛睁开。

Methods: Questionnaires were used to measure the reasons for the comfort changing of 80 cases after inside-nostril speculum operations.

方法对80例鼻内窥镜术后病人舒适改变原因进行问卷调查。