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BNC: 2548 COCA: 2617
chemical
noun [C] /ˈkemɪk(ə)l/
singularchemical
pluralchemicals
  1. a substance used in chemistry or produced by a process involving chemistry 化学物质;化学制品

    You must wear gloves when handling any of these chemicals. 你接触这些化学物品时必须戴上手套。

    the chemical industry 化学工业

    the dumping of toxic chemicals 有毒化学物质的倾倒

     Synonyms and related words
    Types of chemical substance: acid, alkali, base...
chemical
adjective /ˈkemɪk(ə)l/
  1. involving chemistry or produced by a method used in chemistry 化学的;用化学方法生产的

    chemical processes 化学过程

    the chemical composition of the atmosphere 大气的化学组成

     Synonyms and related words
    Describing chemicals and chemical processes: active, aerobic, alkaline...

derived word

chemically

/ˈkemɪkli/ adverb
 Synonyms and related words
Describing chemicals and chemical processes: active, aerobic, alkaline...
BNC: 2548 COCA: 2617
chemical

noun

ADJECTIVE | VERB + CHEMICAL | CHEMICAL + NOUN ADJECTIVEorganic有機化學品inorganic, synthetic無機/合成化學物質dangerous, harmful, hazardous, poisonous, toxic, volatile危險化學品;有害化學物質;有毒化學物質;揮發性化學物質agricultural, environmental, household, industrial農用/環境用/家用/工業用化學品VERB + CHEMICALmanufacture, produce製造/生產化學品dump, release傾倒/排放化學物質chemicals released by industry into our lakes and rivers工廠排入湖泊和河流的化學物質contain含有化學物質use使用化學品We don't use many chemicals on our farm these days.我們農場如今不大量使用化學品了。be exposed to暴露於化學物質之下Many workers are regularly exposed to dangerous chemicals.許多工人經常與危險化學品接觸。CHEMICAL + NOUNfactory, plant, works化工廠pollution from a big chemical plant來自一家大型化工廠的污染business, company化工企業/公司industry, manufacturing化學工業;化學品製造weapon化學武器
BNC: 2548 COCA: 2617
chemical noun
material

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