基本解釋n.選擇性；選擇度同根派生 selectivities相關(guān)詞英漢例句用作名詞 (n.)The conclusion proved that,both of them have good flotation selectivity.結(jié)果表明，它們對氟碳鈰鑛均具有良好的浮選選擇性。selectivities更多例句