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radiation是什么意思？

基础释义
例句
四级真题
六级真题
柯林斯词典释义
英汉词典释义
英英词典释义
行业词典释义

radiation

英[ˌreɪdiˈeɪʃn] 美[ˌrediˈeʃən]

n. 辐射，放射物，辐射状，分散；

复数：radiations;

相关单词 eradiation gamma radiation heat radiation irradiation microirradiation radiation fin radiations

例句

The most terrifying aspect of nuclear bombing is radiation. 核轰炸最可怕的方面是核辐射。
The radioactive material is stored in a special radiation-proof container. 放射性材料储存在防辐射的特殊容器里。
The sun, a lamp, or an electric heater all warm us by radiation. 太阳、灯或电热器都可以通过辐射来温暖我们。
to ionize radiation 电离辐射
In the accident, the workers received a heavy dose of radiation. 在那次事故中, 工人受到大剂量的辐射。
Madam Curie insisted (that) there was something in nature that gave out radiation. 居里夫人坚信自然界存在着能发出射线的物质。
radiation catalysis 辐射催化
A metal called uranium gave off a kind of radiation, which Marie Curie later called radioactivity. 一种叫铀的金属发出一种射线, 后来玛丽·居里把这种现象称为放射性.
The star grew 30% brighter and threw off huge amounts of radiation. 那颗星的亮度增加了 30%并释放出大量辐射。
The biological effects of various gamma - radiation doses will be considered more fully in Chapter XI. 在第十一章中还要更全面地讨论不同辐射剂量的生物效能.

查看更多关于 “radiation” 的例句

英语四级真题

She insists that it's exposing workers to unnecessarily high doses of radiation.

出自-2011年6月听力原文

英语六级真题

I'm afraid to refuse to work, but I'm more afraid to expose my unborn child to the radiation.

出自-2012年12月听力原文

柯林斯高阶英汉双解学习词典释义

N-UNCOUNT

辐射物；放射物

Radiation consists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death.
例句
They suffer from health problems and fear the long term effects of radiation... 他们遭受着健康问题的困扰并且害怕辐射的长期影响。 If the cancer returns, radiation therapy is successful in 90 per cent of cases. 如果癌症复发，放射性疗法有90%的治愈率。
N-UNCOUNT

辐射能;放射能;（尤指）热能

Radiation is energy, especially heat, that comes from a particular source.
例句
The satellite will study energy radiation from stars. 这颗人造卫星将用来研究恒星的能量辐射。

英汉词典释义

n.
辐射(能); 放射,放射线
The sun, a lamp, or an electric heater all warm us by radiation. 太阳、灯或电热器都可以通过辐射来温暖我们。
放射物
This apparatus produces harmful radiations. 这种仪器会产生有害的辐射物。

英英词典释义

Noun
1. energy that is radiated or transmitted in the form of rays or waves or particles
2. the act of spreading outward from a central source
3. 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 an
"he was suffering from radiation"
4. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
5. the spread of a group of organisms into new habitats
6. a radial arrangement of nerve fibers connecting different parts of the brain
7. (medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance

行业词典

体育：辐射；
医学：放射，辐射：出自共同中心的分岔发散；辐射线：发散成分构成的结构，例如一种脑纤维束；指专门结构的正式名称，见radiatio项下；射线：电磁波(如光波)或某些放射源发出的粒子射线(如α、β和r射线)；
物理学：辐射；
生物学：辐射；
电力：辐射；
电子学：辐射；
电工：辐射；
航天：辐射；
通信：辐射；（1）能量以波或粒子的形式从其源发散到空间。（2）能量以波或粒子的形式通过空间的转移。；