tetrahedron

四面体英释中释na solid figure having four plane faces

1 And so now I have hydrogens at the four corners of a tetrahedron..放在碳正四面体,的四个角上。

2 So, this forms a tetrahedron, which forms the sp3 hybrid orbitals..这就形成了一个四面体，它是由sp3杂化轨道形成的。

3 The shape of a water molecule is such that each H2O molecule is surrounded by four neighbours arranged in the shape of a triangular pyramid - better known as a tetrahedron..一个水分子的形状是这样的：相邻地四个水分子组成一个金字塔形的四面体。