这些零件完好地焊在一起了.The parts welded together perfectly.卖方须完好地维护设备.The vendor shall maintain the equipment in good repair.包裹完好地到达我手.The parcel reached me safely....
水银的密度比水大得多.Mercury has a much greater density than water.水银的储存量并不丰富,分布也不广泛.Mercury is by no means, abundant or widely distributed.即使在室温下,水银的发挥性也很显著.Mercury is appreciably volatile even at room temperature....