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BNC: 16448 COCA: 20084

the quality that some atoms have of producing a type of energy that can be very harmful to health放射(性)

the energy produced by atoms in this way放射线;辐射线;辐射能

A dangerous amount of radioactivity was released into the environment last month.上个月泄漏了大量的放射线,造成很大危险。
BNC: 16448 COCA: 20084
radioactivity

noun

... OF RADIOACTIVITY | VERB + RADIOACTIVITY | RADIOACTIVITY + NOUN ... OF RADIOACTIVITYlevel輻射強度The soil contains 30 times the acceptable level of radioactivity.這片土壤的輻射強度高於標準 30 倍。VERB + RADIOACTIVITYproduce, release產生/釋放輻射the amount of radioactivity released by nuclear power plants核電廠釋放出的輻射量detect, determine, measure, monitor探測/確定/測量/監控輻射RADIOACTIVITY + NOUNlevels輻射強度
BNC: 16448 COCA: 20084
BNC: 16448 COCA: 20084
radioactivity

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