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835 sound—noise
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sound表示“声音”:
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Sound travels at 1,100 feet per second in the air.在空气中声音的速度为每秒1100英尺。
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Air is the medium of sound.空气是声音的导体。
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可构成合成词:
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sound wave 声波
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sound barrier 音障
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sound effects 音响效果
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sound recording 录音
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sound track 声道
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sound proof 隔音的
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常可作可数名词:
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I heard a strange sound in the house.我听见屋里有奇怪的声音。
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The door was open; sounds came from the kitchen.门开着,声音来自厨房。
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There was a sound of footsteps on the staircase.楼梯上有脚步声。
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noise也指声音,但多指噪音:
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I don’t like noise (noises).我不喜欢嘈杂的声音。
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I heard a noise outside the window.我听见窗外有嘈杂的声音。
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Stop the noise!不要这样吵!
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The noise of traffic kept me awake.车辆的噪音使我无法入睡。
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836 souvenir—keepsake—memento
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souvenir表示“纪念品”(读作/ˌsuːvəˈniə, ˈsuːvəniə/):
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The local shopkeepers sell souvenirs to the tourists.当地商店售卖纪念品给旅游者。
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My uncle left me his watch as a souvenir.我叔叔留下他的表作纪念。
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