英语词汇“keystone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	keystone
释义	keystone noun /ˈkiːstəʊn/ /ˈkiːstəʊn/ jump to other results (architecture) the central stone at the top of an arch that keeps all the other stones in positionTopics Buildingsc2 [usually singular] the most important part of a plan or argument that the other parts depend on Changes to the welfare system are the keystone of the government’s reforms. Topics Opinion and argumentc2
随便看	motor-neurone-disease motor park motor-park motor pool motor-pool motor racing motor-racing motor scooter motor-scooter motorsport motor vehicle motorway motor wind motowntm Motown™ Motswana motswana motte motte-and-bailey castle motte-and-bailey-castle mottled motto mouflon mould mould_1

英语词典包含84843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。