Shaped like a pyramid with a triangular base and three sides, or having four faces.
The carbon atom forms bonds that create a tetrahedral shape.
碳原子形成鍵,創造出四面體形狀。
Involving or relating to four elements or parts.
The tetrahedron is a basic shape in geometry with four triangular faces.
四面體是幾何學中的一種基本形狀,有四個三角形面。