In olden days the coasts of England were harassed by the Vikings again and again.古时候,英国沿海一带一再受到北欧海盗的窜扰.All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。Of necessity they are sited near the co...
All the writers on the panel agreed Quinn's book should be singled out for special praise...专门小组的所有作家一致认为奎因的书应该单独挑出来予以特别表扬。Quinn's connections are strictly A-list.奎因所交往的人都是最有名气的。Quinn headed the collaborationis...
refractory metals难熔金属For processing the high tensile metals: carbon stell common alloy stell, hard bronze forgeable castiron. etc.加工高抗张强度的金属: 碳素钢 、 硬青铜和可锻铸铁等.Gold retains its lustre for far longer than other metals...黄金保...