Word · Frequency #3892
radiation
辐射；放射线
the emission or transfer of energy in the form of rays, waves, or particles
指以射线、波或粒子形式传递或发出的能量，如核辐射、电磁辐射
- 1.
The shooting forth of anything from a point or surface, like diverging rays of light.
从一点或表面射出的任何东西,如光线的发散
- 2.
energy that is radiated or transmitted in the form of rays or waves or particles
以射线、波或粒子形式辐射或传输的能量
- 3.
The process of radiating waves or particles.
辐射波或粒子的过程
- 4.
the act of spreading outward from a central source
从中心源向外扩散的行为
- 5.
The transfer of energy via radiation.
通过辐射传递能量
- 6.
syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours
因暴露于电离辐射(如放射性化学物质或核爆炸)而导致的综合征；低剂量可引起腹泻、恶心、呕吐及偶尔脱发；较高剂量可导致不育、白内障、某些癌症及其他疾病；严重暴露可在数小时内致死
- 7.
Radioactive energy.
放射性能量
- 8.
A rapid diversification of an ancestral species into many new forms.
祖先物种迅速多样化为许多新形式
辐射病；放射病；辐散；发散；适应辐射；进化辐射；从一点或表面射出的任何东西,如光线的发散；以射线、波或粒子形式辐射或传输的能量
In use
The sun gives off radiation that warms the Earth.
Workers at the plant wear special suits to protect themselves from radiation.
Scientists are studying how radiation from space affects astronauts.
he was suffering from radiation
radiation from [source]
表示辐射的来源。
Radiation from the sun is essential for life.
来自太阳的辐射对生命至关重要。
exposure to radiation
常用搭配，表示受到辐射。
Prolonged exposure to radiation can be harmful.
长时间暴露在辐射中可能有害。
emit radiation
Connections
Collocations
- nuclear radiation
- 核辐射
- Nuclear radiation can be extremely dangerous to living organisms.核辐射对生物体可能极其危险。
- electromagnetic radiation
- 电磁辐射
- Electromagnetic radiation includes visible light, radio waves, and X-rays.电磁辐射包括可见光、无线电波和X射线。
- radiation therapy
- 放射治疗
- The patient underwent radiation therapy to treat the tumor.病人接受了放射治疗以治疗肿瘤。
- harmful radiation
- 有害辐射
- Prolonged exposure to harmful radiation can cause cell damage.长期暴露于有害辐射会导致细胞损伤。
- radiation levels
- 辐射水平
- The radiation levels near the plant were within safe limits.工厂附近的辐射水平在安全范围内。
Learner notes
Memory Tip
联想收音机（radio）依靠辐射（radiation）传播信号，记住“辐射”的英文包含rad。
Context & Register
[object Object]
Grammar Note
通常作不可数名词；复数 radiations 只在专业语境中指不同类型的辐射，请勿用于一般语境。
Pronunciation & Spelling
The words 'nation', 'station', 'relation', and 'variation' share the same /eɪʃən/ ending with 'radiation'. 'Ratio' and 'radiate' (though related) have different endings: /ˈreɪʃioʊ/ and /ˈreɪdieɪt/, respectively.
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.