单词	allotrope
释义	English American allotropenoun [ C ] /ˈæl.əˌtrəʊp//ˈæl.ə.troʊp/ one of many forms of a chemical element. For example, coal and graphite are different forms of carbon. Thesaurus: synonyms and related words Chemistry - general words acceptor amphiprotic amphoteric atomic atomicity balanced equation carbon chain catalyst distilled water double bond electrolyte equation fractional distillation inorganic chemistry ionic bond organic chemistry reactivity solute stably the nitrogen cycle See more results » allotropenoun [ C ] /ˈæl·əˌtroʊp/ chemistry one of many forms of a chemical element, for example, coal and graphite (= substance used in pencils) are different forms of carbon
随便看	discourteous discourtesy discover discoverability discoverable discoverer discovery discredit discredit discreditable discreditably discreet discreetly discrepancies discrepancy discrepant discrete discretely discretion discretion is the better part of valour discretionary discretionary account discretionary costs discretionary fund discretionary funding