| 单词 | substance |
| 释义 | substancesubstance /ˈsʌbstəns/ ●●● W3 noun 1MATERIAL [countable] science a type of solid, liquid, or gas that has particular qualities: The leaves are covered with a sticky substance. Exposure to toxic substances can affect human health. The police searched his car and found an illegal substance (=an illegal drug).THESAURUSmaterial – any solid substance that can be used for making things: We need a stronger material to build the supports with.matter formal – any physical substance. Used especially in scientific language: Matter is made up of particles called atoms and molecules.stuff informal – any substance. Used especially when you do not know exactly what it is: There’s some sticky stuff on the floor.2IMPORTANCE [uncountable] formal the quality of being important, or of dealing with important subjects in a serious way SYN significance: matters/issues of substance Some progress has been made on matters of substance. It was an entertaining speech, but without much substance.3MAIN IDEAS [singular, uncountable] formal the most important ideas of what someone says or in a piece of writing SYN essence: substance of No one knows what the substance of their conversation was.in substance In substance, he means that we must work harder. My disagreements with him have more to do with style than substance (=I disagree with the way he does things, not with his ideas).4TRUTH [uncountable usually in questions or negatives] formal basic facts that are true: substance of Brown did not deny the substance of the reports.substance to There was no substance to the rumors (=they were not true).5a man/woman of substance literary a man or woman who has a lot of money and power[Origin: 1200–1300 Old French, Latin substantia, from substare to stand under]COLLOCATIONSadjectivesa powdery/sticky/clear/white etc. substance The insulation was fixed to the wall with a sticky substance called “mastic.”a dangerous/hazardous/harmful substance Using hazardous substances at work can put people’s health at risk.a poisonous substance (also a noxious substance formal) (=harmful to people) Cigarette smoke contains several poisonous substances.a toxic substance (=harmful to people and the environment) All toxic substances should be labelled and carefully stored.a radioactive substance (=releasing a form of energy that can harm people) People who work with radioactive substances are subject to strict regulations.an illegal/banned/prohibited substance (=used mainly to refer to illegal drugs) Any player found guilty of using banned substances faces the prospect of a lengthy suspension.an illicit substance (=an illegal drug) The researchers studied the use of illicit substances by teenagers.a controlled substance (=an illegal drug) He was charged with possessing a controlled substance.an organic substance (=from a living thing) Despite being an organic substance, ivory is remarkably durable.a chemical substance Vehicle engines produce a wide range of chemical substances.substance + nounssubstance abuse (=using illegal drugs) He had various health problems linked to substance abuse. |
| 随便看 |
英语词典包含48224条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。