bipinnatifid

例句：

1. 1. The bipinnatifid structure of the molecule is responsible for its unique properties.
   该分子的双环结构是其独特性质的原因。
2. 2. The bipinnatifid arrangement of the molecules in the crystal lattice is crucial for its functionality.
   晶体晶格中分子的双环排列对它的功能性至关重要。
3. 3. The bipinnatifid nature of this compound makes it highly resistant to heat and light.
   这种化合物的双环特性使其非常耐热和抗光。