词典释义：
a particular kind of matter with uniform properties
物质，材料
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a steel tube coated with a waxy substance. 涂蜡层的钢管。
an intoxicating, stimulating, or narcotic chemical or drug, especially an illegal one
兴奋剂；麻醉品（尤指毒品）。
[mass noun]the real physical matter of which a person or thing consists and which has a tangible, solid presence
实质；（实在的）东西
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proteins compose much of the actual substance of the body. 人体的大部分是由蛋白质组成的。
the quality of having a solid basis in reality or fact
根据
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the claim has no substance. 这说法没有根据。
the quality of being dependable or stable
可靠；稳定
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some were inclined to knock her for her lack of substance. 一些人常常指责她不可靠。
[mass noun]the quality of being important, valid, or significant
重要性；可行性；有意义
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he had yet to accomplish anything of substance. 他至今尚未有任何实质性成就。
the most important or essential part of something; the real or essential meaning
要旨；本质，实质
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the substance of the Maastricht Treaty. 马斯特里赫特条约的实质。
the subject matter of a text, speech, or work of art, especially as contrasted with the form or style in which it is presented
（文章、演讲、艺术作品的）主题；内容（尤指与表现形式和风格相对）。
wealth and possessions
财富，财产
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a woman of substance. 一个富有的女人。
【哲】 实体。
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in substance essentially 基本上，大体上basic rights are equivalent in substance to human rights. 基本权利大体上等同于人权
"Middle English （denoting the essential nature of something）： from Old French, from Latin
