radiation

英 [ˌreɪdiˈeɪʃn]

美 [ˌreɪdiˈeɪʃn]

n.  辐射; 放射线; 辐射的热(或能量等); 放射疗法

复数：radiations　

高考CET4CET6考研TOEFLTEM4TEM8化学

Collins.2 / BNC.3892 / COCA.3652

牛津词典

noun

• 辐射；放射线
  powerful and very dangerous rays that are sent out from radioactive substances
  1. high levels/doses of radiation that damage cells
     损害细胞的高强度辐射
  2. 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
  3. a radiation leak from a nuclear power station
     核电站的辐射泄漏
  4. radiation sickness
     放射病
  5. the radiations emitted by radium
     镭释放出的放射线
• 辐射的热（或能量等）
  heat, energy, etc. that is sent out in the form of rays
  1. ultraviolet radiation
     紫外线辐射
  2. electromagnetic radiation from power lines
     电线的电磁辐射
• 放射疗法
  the treatment of cancer and other diseases using radiation

柯林斯词典

• N-UNCOUNT 辐射物；放射物
  Radiationconsists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death.
  1. 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。
  2. 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
  Radiationis energy, especially heat, that comes from a particular source.
  1. 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。

英英释义

noun

• (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
  Synonym:radiotherapyradiation therapyactinotherapyirradiation
• the act of spreading outward from a central source
• a radial arrangement of nerve fibers connecting different parts of the brain
• the spread of a group of organisms into new habitats
• energy that is radiated or transmitted in the form of rays or waves or particles
• the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
  Synonym:radioactivity
• syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions)
  1. he was suffering from radiation
  Synonym:radiation sicknessradiation syndrome

双语例句

• The thermal radiation of shorter wavelengths than the visible are called ultraviolet.
  波长短于可见光的辐射称紫外线。
• 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。
• Children's bones and organs are very sensitive to radiation.
  儿童的骨骼和器官对辐射很敏感。
• 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。
• This system continuously monitors levels of radiation and relays the information to a central computer
  这个系统不间断地监控辐射水平，并将信息传送到中央计算机。
• The resulting radiation is known as airglow.
  其发出的辐射称为气辉。
• The material is stored in a special radiation proof container.
  这种原料被储存在防辐射的特殊容器里。
• She is suffering from radiation burns.
  她由于辐射灼伤而受着痛苦。
• Ultraviolet and infrared radiation spectroscopy technologies help to monitor trace gases in the atmosphere.
  雷达和光谱技术帮助科学家追踪到大气中污染物的成分和含量。
• Their cancers are not so clearly tied to radiation exposure
  他们的癌症是否和接触放射线有关还不太清楚。