Mother put a veto on our stayingout late.母亲不允许我们在外面呆到很晚才回来。There have been threats to veto any legislation that comes down the pike.他们威胁说要否决任何新出台的立法提案。The veto has been a traditional instrument of diplomacy for centuries...
研究结果表明,油酸钠是红柱石的最佳捕收剂.Results show that sodium oleate is the best collector for the mineral.研究了红柱石的可浮性及其与捕收剂烷基磺酸盐的作用机理.Study the floatability of andalusite and mechanism of which with alkyl sulphonate as collecter was acc...