| 词组 | compound |
| 释义 | compound AC /ˈkɒmpaʊnd $ ˈkɑːm-/ noun a substance containing atoms from different elementsadjectives/nouns + compounda chemical compound (=formed by a chemical process involving two or more elements) When elements combine, they form chemical compounds.a simple compound (=containing only a few elements) Green plants take simple compounds out of water and air.a complex compound (=containing several elements) Wine contains complex compounds that can make you live longer.an organic compound (=containing carbon) Living things consist of organic compounds.an inorganic compound (=not containing carbon) Bones and teeth are made from quite simple inorganic compounds.a toxic/dangerous compound (=poisonous or harmful) Toxic compounds are stored in a locked cabinet in the lab.a natural compound Natural compounds produced in your mouth protect teeth from damage.a synthetic compound (=not existing in nature but made by people) The brush is made from a flexible synthetic compound.a volatile compound (=reacting easily with other substances) Some paints are dangerous because they contain volatile compounds.a stable compound (=not reacting easily with other substances) Any substance will be safe to use if it contains stable chemical compounds.a carbon/nitrogen/sulphur etc compound Use a copper compound to protect the trees from pests.verbsform/produce a compound Atoms combine in specific ways to form chemical compounds.a compound contains sth also a compound is composed of sth formal This compound contains two atoms of nitrogen and four atoms of hydrogen.a compound is found in sth also a compound occurs in sth formal Ascorbic acid is a compound found in citrus fruits.a compound reacts with sth If a chemical compound reacts with skin, it is dangerous to use. |
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