他们衣着简朴，不使用那些现代的发明物。They wear simple clothes and shun modern contrivances.汤玛斯爱迪生创造了许许多多的发明物, 但留声机却是他的最爱.Thomas Edison created many inventions, but his favorite was the phonograph.人类发明物的目录就很少变化了.The catalog of human invent...
Wade exhaled a cloud of smoke and coughed.韦德吐出一口烟，然后咳嗽起来。He took a deep pull of his cigarette and exhaled the smoke.他深吸了一口烟，然后轻轻吐了出来。He exhaled a billow of cigar smoke.他吐出一股雪茄烟.He took a drag on his cigarette, and exhale...
The seats of the chairs had been recovered in tapestry.椅座上又铺回了花毯。Spencer waded through the debris of broken chairs and beer bottles.斯潘塞艰难地迈过一堆破椅子和碎啤酒瓶。The chairs were light in construction yet extremely strong.这些椅子构造轻巧，但...
Eduardo Rojas, the is assistant director - general of F A . O .'s Forestry Department, he.爱德华多?罗哈斯是国际粮农组织森林部门的部长助理.Applications: Polar region operation , Industry , Mining, Argriculture, Forestry, Construction, Chem...
A knife is sharpened on the grindstone; steel is tempered in fire.刀在石上磨, 钢在火中炼.A knife is sharpened on the grindstone;steel is tempered in fire.刀在石上磨,钢在火中炼。He sharpened the edge of his knife on a grindstone.他在磨石上磨快了他的刀刃....
The weapons are undergoing ballistics tests to see whether they were used in the shootings.这些武器正在接受弹道测试，以确定它们是否曾用于枪击案中。Ballistics was used in the criminal case to determine the gun's firing capacity.在该刑事案件中人们运用弹道学原理...
To observe the enzymic histochemical and ultrastructural changes of cryopreserved human retina.观察深低温保存不同时期人视网膜的酶组织化学及超微结构变化.Enzymic resolution of allethrone in industrial lipase was studied.研究了工业脂肪酶拆分消旋体烯丙酮醇.The SDF extr...