探矿者淘选从河床里挖出的少量含金泥沙和砂砾.The prospector panned out bits of sand and gravel scooped from the bed of a stream.探矿者淘选从河床中挖出的少量含金泥砂和沙砾.The prospector panned off bits of sand and gravel scooped from the bed of a stream....
结果表明:醇胺类助剂加入复合物后显著改善其力学性能.The experiments show that ethanolamine additives added to the composites improve their mechanical properties remarkably.认为醇胺类键合剂可明显改善丁羟推进剂的性能.The results show that alcohol amine bonding agents c...
They were, by and large, a very wealthy, privileged elite.他们基本上是一些非常有钱有势的精英。Only the educational elite go 〔 goes 〕 to Oxford or Cambridge.只有学业上的精英才能上牛津或剑桥大学.A tiny, educated elite profited from the misery of their two mi...
Des, 18, was working as a club doorman.德，18岁，是一家俱乐部的门卫。When the doorman motioned them away, they took no notice.当门卫示意让他们离开时, 他们没注意.He is believed to have worked unrecognised as a doorman at East End clubs.据信他在伦敦东区的夜总会当过看...