telescope cap

例句：

1. 1.The astronomer used a telescope to observe the stars.
   天文学家使用望远镜观察星星。
2. 2.The astronaut wore a telescope cap to protect his eyes from the bright light.
   宇航员戴着望远镜罩，以防眼睛受到强光的伤害。
3. 3. The scientist used a telescope to study the planets in their natural habitat.
   科学家用望远镜研究行星在它们的自然栖息地。