Definition
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source
A source is the origin or starting point of something, such as information, energy, or a product.
来源是某事物的起源或起点,例如信息、能量或产品。
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The library is a great source of information for my research.
图书馆是我研究的一个重要信息来源。
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We need to find a reliable source for the ingredients.
我们需要找到一个可靠的成分来源。
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Water is the primary source of life on Earth.
水是地球上生命的主要来源。