Some high - performance engines have two separate camshafts, one for each set of inlet and exhaust valves.一些高性能发动机有两个单独的凸轮轴, 分别负责开关进气门和排气门.The latter may be used with bypass or throttling valves in the tower water pipewo...
All this, needless to say, had been culled second-hand from radio reports.不用说，所有这些都是从电台报道中采集来的二手材料。The deal seems so attractive it would be ridiculous to say no.这笔交易看上去太诱人了，要是拒绝它简直是笑话。People always think I'm a fool,...
When the tree falls, the monkeys scatter.“树倒猴狲散. ”The text falls into three paragraphs.这篇课文共分3段.The chapter falls into three sections.这一章共分三节。Indoor pollution falls into two categories, that which we can see or smell, an...
The shop assistant received me indifferently while leaning on a counter.商店售货员靠在柜台上漫不经心地招呼我。After I paid the money, the shop assistant gave me a receipt.我付过钱之后, 店员便给了我一张发票.The shop assistant was wearing a white overall.那店...
光通过棱镜时产生折射。Light is refracted when passed through a prism.一束光通过棱镜就会形成光谱。A spectrum is formed by a ray of light passing through a prism.棱镜把光分解成虹的各种色彩.The prism broke the light into all the colors of the rainbow....