biordinal双: two; twin; both; dual序: order; sequence的: 4次方是 The fourth power of 2 i ...双序践钩: biordinal crochet次序的: abecedarian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:双序的，即可在微信中查询翻译
