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| NOUN |
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| /ˈsʌbstəns/ |
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| 1 | C a particular type of liquid , solid , or gas 物质 |
| The wood is coated with a special substance that protects it from the sun. 木材上涂着一层特殊的防晒物质。 |
| a hazardous/harmful/radioactive substance Some workers had developed cancer after exposure to radioactive substances. 有些工人接触放射性物质后得了癌症。 |
| | 1a | a drug that people can become dependent on , especially an illegal drug 使人上瘾的药物（尤指毒品） | | Heroin is an addictive substance. 海洛因是一种使人上瘾的毒品。 | | The campus is a substance-free environment. 校园是一个没有毒品的地方。 | |
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| 2 | U the quality of being important , real , or useful , or something that shows this quality 重要性；真实性；有用性；实质 |
| Her comments added substance to the debate. 她的评论增加了这场辩论的分量。 |
| The band is all glitz and no substance. 这个乐队华而不实。 |
| of substance The agency hasn’ t accomplished anything of substance for years. 该机构多年来未取得任何实质性成绩。 |
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| 3 | U the most important ideas or basic meaning of a discussion or piece of writing （讨论或作品的）基本内容，要旨，实质部分 |
| He refused to discuss the substance of the meetings. 他拒绝讨论会议的实质内容。 |
| | 3a | used for mentioning the most important part of a discussion or piece of writing （用于提及讨论或作品的实质部分）实质上 | | The statement said, in substance, that the conviction was completely unfair. 陈述的内容实质上是说这种定罪完全不公平。 | |
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| 4 | U usually in negatives or questions the fact that something is based on accurate information 事实；真相 |
| +to There is no substance to his accusations. 他的控告不实。 |
| give substance to sth (=show that something is true) Their appearance together gave substance to the rumours of their imminent marriage. 证实某事物 |
| PHRASE |
| - | a man/woman/person of substance literary
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| someone with a large amount of money or property |
| 有很多财产的男子/女子/人 |
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