Word · Frequency #17568
irradiation
照射；辐照
核心释义
常指医疗或核能中的辐射暴露
the process or fact of being exposed to radiation
- 1.
照射的行为或状态
An act of irradiating, or state of being irradiated.
- 2.
受辐射照射的状态
the condition of being exposed to radiation
- 3.
一束光(如来自信标)
a column of light (as from a beacon)
- 4.
(生理学)感觉神经冲动在大脑皮层中的扩散
(physiology) the spread of sensory neural impulses in the cortex
发光；辐射；照射的行为或状态；受辐射照射的状态；一束光(如来自信标)；(生理学)感觉神经冲动在大脑皮层中的扩散
用法In use
The irradiation of food helps kill bacteria and extend its shelf life.
用法提示：使用名词“irradiation”表示辐射处理的过程。
Prolonged irradiation by the sun can damage your skin.
用法提示：名词“irradiation”指受到辐射照射的状态。
The samples were subjected to gamma irradiation for sterilization.
用法提示：名词“irradiation”指辐照这一过程。
irradiation of [noun]
常用于表示辐射作用的对象。
Irradiation of food can kill bacteria.
对食品进行辐照可以杀灭细菌。
undergo/receive irradiation
相关词与表达Connections
搭配Collocations
- food irradiation
- 食品辐照
- Food irradiation is used to kill bacteria and preserve food.食品辐照用于杀灭细菌并保存食物。
- gamma irradiation
- γ射线辐照
- Medical equipment is often sterilized by gamma irradiation.医疗设备通常用γ射线辐照进行消毒。
- irradiation dose
- 辐照剂量
- The irradiation dose should be kept as low as possible.辐照剂量应尽可能保持在最低水平。
- ultraviolet irradiation
- 紫外线照射
- Ultraviolet irradiation can cause skin damage.紫外线照射会造成皮肤损伤。
- chronic irradiation
学习提示Learner notes
记忆技巧Memory Tip
irradiation 以 radi 为核，联想 radio（无线电）传来一束光，即“照射、辐照”。
语境与语域Context & Register
语域：formal 常见场景：medical treatment、food preservation、radiation safety irradiation 多用于医学、核物理、食品加工等正式或专业语境；日常口语较少使用，指治疗时更常说 radiation therapy。
发音与拼写Pronunciation & Spelling
radiation、variation、appreciation、irritation、operation 均以重读的 /eɪʃən/ 结尾，与 irradiation 押韵。irrational 拼写相近（同为 irr-），但读音为 /ɪˈræʃənəl/，最后是 /ʃənəl/，不押韵。
一起学习词形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 ECDICT, WIKTIONARY.