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- 光比声音的传播速度快.The light travels faster than the sound.
- 喷气式飞机的速度要比声音的传播速度快(声音一秒钟传播约1100英尺,也就是1小时传播760英里)。Jet planes can travel faster than sound (Sound travels at about 1100 feet a second. That is about 760 miles an hour.
- 喷气式飞机的速度要比声音的传播速度快(声音一秒钟传播约1100英尺,也就是1小时传播760英里)。Jet planes can travel faster than sound (Sound travels at about 1100 feet a second. That is about 760 miles an hour.
- 光比声音速度快.Light travels faster than sound.
- 光比声音传得快。Light travels faster than sound.
- 光的传播速度极快,就在打开灯的瞬间我们就看见灯光了。Because of the great speed of light ,we see a lamp light up almost at the exact moment we turn it on .
- 光比声音传播得快。Light travels faster than sound.
- "别以为就这么定下来了,通常要局长说了才算的。" 汤姆说道。"Don't think it is settled yet; the Director always has the last word, " said Tom.
- "... 我要用利剑一样的话刺痛她的心,但决不是真用利剑 ... ""... I will speak daggers to her, but use none ... " (Shakespeare, Hamlet)
- "可是对你来说这是一桩大事啊。" "什么大事不大事的!我担心什么?""But it's a serious matter for you." "Serious my foot, why should I worry?"
- 研究表明,声波在同一介质中的传播速度和波源的速度无关。According to certain research, the spread velocity of sound waves has nothing to do with the speed of the ripples.
- "喝杯啤酒?" "不,谢谢。我好不容易决定不再喝酒了的。""Have a beer." "No thanks. I've signed the pledge at last."
- 他待她比过去更糟了。He used her worse than ever.
- "把雨衣带好,天好像要下雨。" "下雨又有什么关系?我又不是纸做的。""Take you mac. It looks as if it's going to rain." "What if it does? I'm not made of paper."
- 自光LEDwhite LED
- 孩子们很快把蛋糕吃完了。The children made short work of the cakes.
- 按速度聚焦velocity focusing
- "Harmsworth先生," 我用微弱的声音说。 "别打断我的说。" 他说。"Mr Harmsworth, " I said in a weak voice, "Don't interrupt, " he said.
- 高压钠泛光灯high pressure sodium floodlight
- 传播响应response to communication