常見例句雙語例句Availability of azolla-potassium for rice was studied with radioactive tracer.應(yīng)用示蹤技術(shù)研究紅萍鉀對(duì)水稻的有效性。METHODS: The biodistribution was studied with in vivo radioactive tracer technique.方法：用放射性核素體內(nèi)示蹤技術(shù)研究體內(nèi)分布。I was full of happiness, although the radioactive tracer meant I couldn't hug my children.盡管因?yàn)轶w內(nèi)有放射性示蹤劑，我還不能和孩子們擁抱，但我還是滿心歡喜。權(quán)威例句The researchers knew this because they had introduced a radioactive tracer that selectively binds to the same type of receptor in the brain, the mu-opioid variety, as the endorphins.ECONOMIST: Pain perception 返回 radioactive tracer