双语例句原声例句权威例句
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I suppose it must involve some practical work?
我想这一定包括一些实际工作吧？
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First we do practical work and, through it, we gain knowledge.
先有实践，然后有认识。
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And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.
在实际中，我们定义,效率为热与功的比值。
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Ideas like this, as I say, are taken from the aesthetic and practical thinking about the nature of the work of art that one finds in Modernism.
这种观点,来自对,现代主义作品美学和实际的考虑。
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They're studying practical things like marble work, and metal work, and copper work, and not just shipbuilding.
他们学习一些实用的东西,比如大理石打磨,金属冶炼和铜器制造,并且不仅仅是造船术
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