基本解释試液同根派生 test-solution相关词英汉例句Why is the more diluted solution used for the assay of trimethoprim than that for sulfamethoxazole?爲何甲氧苄啶含量測定時供試液的稀釋倍數與磺胺甲惡唑測定時的要不同？test-solution更多例句