costulate具: utensil; tool; implement小: small; little; petty; minor脊: spine; backbone; vertebrae r ...的: 4次方是 The fourth power of 2 i ...小脊: minor ridge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:具小脊的，即可在微信中查询翻译
