基本解釋n.[植]石莼同根派生 ulva相關詞英漢例句用作名詞 (n.)Studies on the chemical constituents of Ulva lactuca L.石莼的化學成分。Results show that Ulva P.K.Can uptake ammonia,nitrite,nitrate and phosphorus simultaneously.Ammonia removal is efficient,but the changes of COD is minimal.結果表明，孔石莼能同時吸收水中的三氮和磷酸鹽，尤其對氨氮有極強的吸收作用，但對有機物的去除不明顯。ulva更多例句