monolocular

例句：

1. 1. The scientist useda monocular microscope to examine the sample.
   科学家使用单目显微镜来检查样本。
2. 2.The camera has a monocular lens thatallows for close-up shots.
   相机有一个单目镜头，可以拍摄近距离的照片。
3. 3.The astronaut wore a monocularhelmet during the spacewalk.
   宇航员在太空行走时戴着单目头盔。