separated thin lense

例句：

1. 1.The scientist used a separated thin lens to observe the distant stars.
   科学家使用一个分离的薄透镜来观察远处的星星。
2. 2. The camera had a separated thin lens that could focus on objects close up.
   相机有一个分离的薄透镜，可以近距离聚焦物体。
3. 3. The lenses in the microscope were separated thinly to allow for clearer images.
   显微镜中的透镜被分离得非常薄，以便获得更清晰的图像。