- [uncountable, countable]
powerful and very dangerous rays that are sent out from radioactive substances 辐射；放射线 high levels/doses of radiation that damage cells 损害细胞的高强度辐射 the link between exposure to radiation and childhood cancer 接触辐射与儿童恶性肿瘤之间的联系 a radiation leak from a nuclear power station 核电站的辐射泄漏 radiation sickness 辐射病 the radiations emitted by radium 镭释放出的放射线
Extra ExamplesTopics Physics and chemistryb2Nuclear testing has exposed millions of people to radiation. 核试验已使数百万人受到辐射。 The counter showed high levels of radiation. 计数器上显示出高强度的辐射。
Oxford Collocations Dictionaryadjective- background
- low-level
- damaging
- …
- dose
- emit
- give off
- absorb
- …
- leak
- leak out
- sickness
- dose
- level
- …
- radiation from
- levels of radiation
- [uncountable]
heat, energy, etc. that is sent out in the form of rays 辐射的热（或能量等） ultraviolet radiation 紫外线辐射 electromagnetic radiation from power lines 输电线的电磁辐射 The ozone layer absorbs solar radiation. 臭氧层吸收太阳辐射。
Oxford Collocations Dictionaryadjective- background
- low-level
- damaging
- …
- dose
- emit
- give off
- absorb
- …
- leak
- leak out
- sickness
- dose
- level
- …
- radiation from
- levels of radiation
- (also radiation therapy)[uncountable]
the treatment of cancer and other diseases using radiation 放射疗法 Oxford Collocations Dictionaryadjective- background
- low-level
- damaging
- …
- dose
- emit
- give off
- absorb
- …
- leak
- leak out
- sickness
- dose
- level
- …
- radiation from
- levels of radiation
Word Originlate Middle English (denoting the action of sending out rays of light): from Latin radiatio(n-), from radiare ‘emit rays’, from radius ‘ray, spoke’.