substance /ˈsʌbstəns/ noun plural substances
plural substances
Learner's definition of SUBSTANCE
1 [count]
a : a material of a particular kind物質;物品 -
chemical/toxic/hazardous/dangerous substances化學/有毒/有害/危險物質
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The pancreas secretes a substance called insulin.胰腺分泌一種叫胰島素的物質。
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The floor was covered with a white, powdery substance that turned out to be flour.地板上撒滿的白色粉末狀物質原來是面粉。
b : a drug that is considered harmful and whose use is controlled by law or made illegal(有害)藥物 -
heroin and other illegal substances海洛因和其他非法藥物
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He had a history of substance abuse.他有嗜毒史。
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Codeine is a controlled substance. [=a drug that you need permission from a doctor to use]可待因是一種管制藥物。
2 [noncount]
a : the quality of being meaningful, useful, or important實質;真正的意義;内涵 -
matters of substance實質性問題
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When has he ever said anything of substance?他什麽時候說過任何有意義的話?
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The book lacks substance.這本書内容空洞。
b : the quality of being true or believable真實性;可信性 3
[noncount] : the most basic or necessary part or quality of something : essence主旨;要義 -
the substance of my argument本人論點的要義
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These two books differ in both style and substance. [=content]這兩本書在風格和内容上都截然不同。
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He stated, in substance [=in essence, essentially], that it is not his fault and he will not pay for damages.他所說的中心意思就是,這並不是他的錯,他也不會賠償任何損失。
a man/woman/person of substance
literary
: a person who is rich and powerful有錢有勢的人
sum and substance
— see 1sum