bipyramid
n. 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。
The tin atoms are five-coordinated with geometry of distorted trigonal bipyramid.
两个锡原子为五配位的三角双锥构型。
Both endo-cyclic and exo-cyclic tin atoms are five-coordinated and have coordination geometry of distorted trigonal bipyramid.
内环锡和外环锡原子均为五配位的畸变三角双锥构型。