chemical substance

同根派生

• chemical substance相關(guān)詞

英漢例句

• Ammonia is a chemical substance.
  氨是種化學(xué)物質(zhì)。
• This substance reacts twice faster than that one.
  這種化學(xué)物質(zhì)比那種反應(yīng)快兩倍。

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