a conic section from five elements由: cause; reason五: five元素: element; elementary substanc ...得到: get; obtain; gain; receive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:由五个元素得到的圆锥曲线，即可在微信中查询翻译
