direct opthalmoscope

例句：

1. 1. The doctor used a directopthalmoscope to examine the patient's eye.
   医生使用直接目镜显微镜检查病人的眼。
2. 2. Thescientist conducted an experiment usinga direct opthalmoscopeto observe the reaction of the chemicals.
   科学家使用直接目镜显微镜观察化学物质的反应。
3. 3. During the examination, the doctor directedthe patient to look directly into the opthalmoscope.
   在检查过程中，医生指导病人直视目镜显微镜。