radioactive indicatorradioactive tracerradiotherradiothorradiotracer放射: radiate; emit; blas; radiati ...指示剂: indicator; tracer agent放射指示剂；放射性示迹物: radiotracer放射指示物: radiotracer放射性指示剂: radioactive indicator; radioactive tracer; radioindicator; radioiodicator; radioisotope indicator; radioisotopeindicator; radiother; radiothor; radiotracer下载手机词典可随时随地查词查翻译
