refractor

🇺🇸 /rɪˈfræktər/ 🇬🇧 /rɪˈfræktə(r)/
词频
难度
标签 TOP20000
noun
R

An object like a lens that bends light to change its direction.

The astronomer used a refractor to study the stars more closely.

天文学家使用折射望远镜更仔细地研究星星。

translation

n. 折射镜

词形变化

Plural refractors