telescope
词根词缀：
helioscope n. 太阳望远镜
helio 太阳 + scop 观察；镜 + e → 太阳望远镜
macroscopic adj. 宏观的
macro 宏伟，大 + scop 观察；镜 + ic 某种药 → 从宏伟的角度观察 → 宏观的
scope n. 眼界；范围
scop 观察；镜 + e → 观察的范围 → 眼界
telescope n. 望远镜
tele 远 + scop 观察；镜 + e → 望远镜
数据来源：新东方英语词汇速记大全
相关例句：
Galileo's telescope and Kepler's planetary theory were the birth of modern astronomy;
伽利略的望远镜和开普勒的行星理论是现代天文学的起源；
In 1609, Galileo improved the telescope and used it to study the stars and planets.
1609年，伽利略改进了望远镜，用它研究星体和行星。
The naked eye is not enough, we must have the aid of the telescope and the microscope.
我们的眼力不够，应该借助于望远镜和显微镜。
She was amazed at the number of astral bodies the new telescope revealed.
从这台新的望远镜里竟能看到那么多的星体，这把她惊呆了。
Like a telescope it has a curved mirror to collect the sunlight.
和望远镜一样，它有一个曲面镜可以积聚阳光。
Newton also developed the reflecting telescope.
牛顿还开发了反射式望远镜。