Tetrahedrons can stack into different shapes as changes in temperature and pressure juggle them around.

四可以根据周不压条件堆积成不形状。

Silica structure is based on a tetrahedral arrangement of a silica atom bonded to oxygen atoms.

它基本结构是由一个硅原子与四个氧原子成键，构成一个四。

The universe. Tetrahedrons. Japan. Harry Connick Jr. You know?

宇宙。四。日本。哈里·康尼克·小。你懂？

In a molecule of CH4, the hydrogen atoms are spatially oriented towards the centers of...- Tetrahedrons.

甲烷分子中，氢原子空间位置是朝向什么中心？- 四。

On a chemical level, a diamond is just a bunch of carbon atoms bonded together in tetrahedrons.

从化学角度来，钻石是一堆碳原子紧密结合成四结构晶。

Its molecules form tetrahedral shapes — that's a triangular pyramid, or a d4 if you're into tabletop RPGs.

它分子结合成四形——这是一种三角形棱锥，或者是桌角色扮演游戏中d4。

And this is that tetrahedral shape.

这就是那个四形状。

And so water is locked into that tetrahedral structure.

因此，水被锁定在该四结构中。

The same thing does for CH4 with its tetrahedron of weakly electronegative hydrogens around a more strongly electronegative carbon.

CH4 也是如此，它弱电负性氢四绕着更强电负性碳。

Over 160 kilometers beneath the Earth's surface, the intense heat and pressure forced carbon atoms into that tetrahedral structure to form diamonds.

在距离地表160多千米深处，高高压使碳原子们形成为四结构，再进一步形成钻石。

When the s orbital hybridizes with all 3 p orbitals it's called sp3 hybridization and it forms a tetrahedral shape.

当 s 轨道与所有 3 p 轨道杂化时， 称为 sp3 杂化，并形成四形状。

You can't have 2 orbitals mashing together in the same space, and sp3 orbitals are pretty much stuck in their tetrahedral structure.

你不能让 2 个轨道在一个空间中混合在一起，sp3 轨道几乎停留在它们四结构中。

Cycloalkenes also start at three carbons and get increasingly stable as more are added, though their double bonds make their molecules plainer instead of tetrahedral.

环烯烃也从三个碳原子开始， 并且随着添加更多碳原子而变得越来越稳定，尽管它们双键使它们分子更简单而不是四。

Curious about the space between the planets, he hypothesized that each gap must correspond to one of the Platonic solids: the tetrahedron, cube, octahedron, icosahedron, and dodecahedron.

出于对行星之间空间好奇，他假设每个间隙都必须对应一个柏拉图立：四、立方、八、二十和十二。

Each lobe in that tetrahedral structure overlaps and bonds with one on an adjacent carbon atom creating a totally uniform, three dimensional network of carbon in every direction.

该四结构中每个裂片都与相邻碳原子上一个裂片重叠并键合，从而在各个方向上形成完全均匀三维碳网络。

Phosphate is made up of one central phosphorus atom surrounded by four oxygen atoms in a tetrahedral arrangement, like a mini pyramid, and has a charge of minus 3 and is written PO43-.

磷酸盐由一个位于中心磷原子和四个氧原子组成，呈四结构，像一个小金字塔，电荷为-3，写成PO43-。

Now, phosphate is made up of one central phosphorus atom surrounded by four oxygen atoms in a tetrahedral arrangement, kind of like a mini pyramid, and has a charge of minus 3 and is written PO43-.

磷酸盐是由一个中心磷原子和四个氧原子包所组成，以四构造排列，有点像小金字塔，其电荷是-3写作PO43-。