英语词汇“tracer”的释义、用法及例句-英汉例句词典

词汇	tracer
例句	noun tracer bullets Radioactive tracers have been used to map the metabolic activity of the brain.
随便看	rough up rouging roulette round round about roundabout rounded rounder roundest round-eyed round here roundly roundness round off round on round on somebody round robin rounds round-shouldered roundsmen round somebody/somethingup round somethingoff (with something) round-table round the bend/twist round-the-clock

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