pivotal枢轴: pivot; stud; gudgeon; pin的: 4次方是 The fourth power of 2 i ...关键: hinge; key; crux; linchpin; ...起: rise; get up; stand up中心: centre; centrum; centrality; ...下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:枢轴的, 关键的, 起中心作用的,即可在微信中查询翻译