The prime mover may be a gas reciprocating engine.原动机可能是燃气往复式发动机.Almost all automobiles use the reciprocating engine.几乎所有的机动车都使用往复式发动机.Compressor may be reciprocating positive displacement or centrifugal.压缩机可以是活塞式、螺杆式或离心...
许多理论都标榜以单一的原因解释生长.Many theories purport to explain growth in terms of a single cause.所有喇叭都接在单一的扩音器上.All the speakers hook up to a single amplifier.单一的 、 孤立的磁极从来未找到.A single, isolated magnetic pole has never been found....
Computers can instantly retrieve millions of information bits.计算机可以立即检索到数百万条信息。She bent to retrieve her comb from the floor.她弯腰从地上捡起她的梳子。The basis for training relies on the dog's natural instinct to hunt and retrie...
Lang's final encore last night was "Barefoot".朗昨晚最后的加演节目是《赤足》。They encore with a superlative version of The Who's "The Kids Are Alright".他们加演了谁人乐队的《真是不赖的小伙子》，非常精彩。Lang's final encore last night was 'B...
出售非官方纪念品的推销员的生意也很红火。Salesmen of unofficial souvenirs have also been doing a roaring trade.你是不是收藏了大量的书籍、报纸和纪念品？Do you keep many books and papers and memorabilia?商贩们的纪念品生意很红火。Vendors were doing a brisk trade in souvenirs....