B&B如何发音

口音与语言在地图上的分布情况

定义
  • B&B的定义

    • aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
    • originally thought to be a single vitamin but now separated into several B vitamins
    • a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

随机词语: milkaboutlittleAmericaTexas