基本解释[化學]澳代英汉例句雙語例句Thiophene reacted with bromine and zinc to obtain 3-bromothiophene via substitution and reduction reaction.本文以噻吩與溴、鋅粉依次發生取代，還原反應生成3-溴噻吩。bromine substitution更多例句专业释义化學澳代