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可数名词
n.[C] 乐曲;作品;作文
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piece of music or writing
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How many compositions do you write eah term?
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你们每学期写几篇作文?
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The child began to learn composition at eight.
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这孩子八岁开始写作。
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This is a good composition.
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这是一篇好文章。
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不可数名词
n.[U] (组成某物的)成分
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the parts of which sth. is made up
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Many chemicals entered into the composition of the medicine.
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这种药是由许多化学物质合成的。
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Scientists study the composition of the soil.
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科学家研究土壤的成分。
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可数名词
n.[C] 混合
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a mixture of substances
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The food is a composition of bread with butter, sugar and spices.
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这种食品是面包与奶油、糖和香料混合做成的。
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