基本解释[環境科學技術]淡水底泥英汉例句雙語例句The bioassay of freshwater sediment toxicity is described.描述了淡水沉積物毒性的生物測試方法。Minor element analysis demonstrates that is is freshwater sediment.據微量元素含量分析,此高嶺石系淡水沉積物。freshwater sediment更多例句专业释义環境科學技術淡水底泥