rotational isomer

例句：

1. 1. The molecule's structure is a rotational isomer, meaning it has a different arrangement of atoms compared to its stable form.
   这个分子的结构是一个旋转异构体，这意味着它与稳定形态相比原子排列不同。
2. 2. In organic chemistry, the concept of rotational isomerism is important in determining the properties of molecules.
   在有机化学中，旋转异构体的概念对于确定分子的性质至关重要。
3. 3. The study of rotational isomerism can help scientists understand how different chemical reactions occur and potentially lead to newdiscoveries.
   研究旋转异构体可以帮助科学家理解不同的化学反应是如何发生的，并可能带来新的发现。