... taste tetrahedron 味觉四面体 polar tetrahedron 配极四面体 tetrahedra tetrahedron 的复数 ...
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... 切线极坐标 polar tangential coordinates 配极四面形 polar tetrahedron 配极论 polar theory ...
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This bond is polar, but again, as I alluded to earlier, because the carbon is centered in the tetrahedron, because of the sp3 hybridization, the molecule itself is symmetric and nonpolar.
这个键是非极性的,但是,我们断言过早,因为C是中心原子,由于sp3杂化,这个分子本身是非极性的且对称的。
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