vital factors生命: life; vita; vivi-; bio-; -bi ...要素: essential factor; key elemen ...维持: keep; maintain; preserve; ho ...必需: essential; indispensable; vi ...的: 4次方是 The fourth power of 2 i ...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:生命要素〔维持生命所必需的因素，即可在微信中查询翻译
