... OF RADIOACTIVITY | VERB + RADIOACTIVITY | RADIOACTIVITY + NOUN... OF RADIOACTIVITY➤level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 + RADIOACTIVITY➤produce, 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 + NOUN➤levels輻射強度