regular hexagon的用法和樣例：
例句
- The snowflake is a crystalline substance in the shape of a regular hexagon.
雪花是正六邊形的結晶體。 - A layered network architecture based on regular hexagonal cells is introduced, and the optimal layers are studied in given monitoring areas.
提出了一種基於正六邊形網格的分層網路結構，研究了在監測區域面積給定情況下的最優網路分層問題。
