基本解釋[化學(xué)]澳代英漢例句雙語例句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(fā)生取代，還原反應(yīng)生成3-溴噻吩。bromine substitution更多例句專業(yè)釋義化學(xué)澳代