The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.The producing techn...
The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.Catalysts that lowe...
他在用铁锤把那块岩石一小块一小块地敲下来.He was chipping away at the rock with a hammer.工人把铁锤平了.The worker hammered the iron flat.铁锤可以是致命的武器.A hammer can be a lethal weapon....
The spade and fork have longer shafts, providing better leverage.锹和耙的手柄较长，可发挥较好的杠杆作用。He deliberately jerked the shafts to rock him a bit.他故意的上下颠动车把,摇这个老猴子几下.Shafts were sunk, with tunnels dug laterally.竖井已经打下，并且挖有横向矿道。...
大自然最让人惊叹的是它的无限多样性。The most amazing thing about nature is its infinite variety.他能表演好几种令人惊叹的把戏，包括哑剧和玩杂耍。He can perform an astonishing variety of acts, including mime and juggling.卡尔惊叹道：“那是我所见过的最怪异的事情了。”"That's the wei...
The question baffled me completely and I couldn't answer it.这个问题把我彻底难倒了,我答不出来.Medical authorities were baffled, both as to its causes and its virulence.医疗当局对其病因及有多致命都还不甚了解。I confess it's got me baffled...我承认这把我...
But I suggest you visit the Great Wall and the Ming Tombs first.但我建议你先去长城和十三陵.Ming to a big hill jujube sweet, nutrient - rich known.鸣山大枣以个大味甘 、 营养丰富著称.Alkaline relatively stable sodium hypochlorite solution, commonly kn...
...a magazine article celebrating the anniversary of man's first lunar landing.一篇庆祝人类首次登月周年纪念的杂志文章A golden wedding is the fiftieth anniversary of a marriage.金婚是结婚五十周年纪念日.Dartmouth College just marked the fiftieth an...
The tree fell, pinning him to the ground.树倒了, 把他压在地上动弹不得.Kath pouted, still pinning up her hair.凯丝噘噘嘴, 仍在夹着头发.The women were checking over their groceries and pinning their big red shawls about their heads.妇女们开始清点她们买的杂货,...