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Skin is naturally slightly acidic and has a pH of 5.5.皮肤具有天然弱酸性，pH值为5.5。A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。Pure water is neutral with a pH of 7.纯水是中性的，酸碱度为7。...
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If you smell gas fumes or burning, take the car to your mechanic...如果你闻见汽油冒烟或燃烧的异味，应把车送修。He is an adept mechanic.他是个熟练的机械师。He is a garage mechanic.他是一名加油站技工。An elevator mechanic can work the machinery directly by turning...
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Graf was leading 5-1 in the first set.格拉芙第一盘以 5 比 1 领先。The best airships were the giant Graf Zeppelin and the luxurious Hindenburg of the 1930s.最好的飞船是20世纪30年代特大的齐柏林号和豪华的兴登堡号。In the United States Open final, Graf retained...
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molests的音标：...
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microdiagnostics的音标：microdiagnostics的英式发音音标为：[maɪkrəʊdaɪəɡ'nɒstɪks]microdiagnostics的美式发音音标为：[maɪkroʊdaɪəɡ'nɒstɪks]...
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n.微涡，小尺度涡...
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hypothesized的音标：...
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splendour的复数形式为：splendours...
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“测量的”的英语可以翻译为：geodesic，metrical，[计] measuring，[医] metric ...
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n.差向[立体]异构（作用）...
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consolidations的音标：...
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“清石机”的英语可以翻译为：stone stopper，derocker ...
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Apna Arts has achieved more with voluntary workers in three years than most organisations with paid workers have achieved in ten.“我们”艺术中心依靠志愿者在3年内取得的成就超过了大多数雇用受薪员工的机构10年中取得的成绩。...
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exposure的复数形式为：exposures...