中英词典查询

bipyramid [bɪ'paɪrəmɪd]

n. 双[角]锥，双棱锥，双锥，双锥体;

例句:

  • A trigonal bipyramid has three equatorial and two axial positions.
    一个三角双锥体有三个赤道位和两个轴向位.