cosmic ray
cosmic ray — 名詞
1. a particle, mostly an atomic nucleus, that travels through space at nearly the s
宇宙射線
來自外太空的高能粒子
a particle, mostly an atomic nucleus, that travels through space at nearly the speed of light and constantly reaches the Earth from every direction, carrying extremely high energy.
Greta studies how cosmic rays affect the electronic parts on satellites in orbit.
Greta 的研究重點是宇宙射線如何影響太空衛星上的電子零件。
collocation: cosmic ray + affect + satellite electronics
A physics team built a detector on a mountain to catch cosmic rays from space.
物理團隊在山頂上建造了一臺探測器，用來捕捉來自太空的宇宙射線。
Astronauts receive a stronger dose of cosmic rays than people living on the ground do.
太空人所受到的宇宙射線劑量比在地面上的人們更高。
When a fast cosmic ray hits the upper atmosphere, it breaks into many smaller particles.
一道高速的宇宙射線撞擊到大氣層上層時，會碎裂成許多更小的粒子。
The new telescope can tell the difference between cosmic rays and ordinary starlight.
新的望遠鏡能夠區分宇宙射線與一般的星光。
- primary cosmic ray
specifically a particle arriving from outside the solar system, before it hits the atmosphere
- high-energy particle
broader term that includes particles produced by accelerators on Earth, not just space-born radiation
文法句型
cosmic ray / cosmic rays
用法筆記
This term belongs to the vocabulary of astronomy and particle physics. In everyday language, it appears almost exclusively in popular science writing and news reports about space exploration. The plural form 'cosmic rays' is very common when referring to the phenomenon as a whole.