monobranched hydrocarbons

例句：

1. 1.The crystal structure of the compound is uniquely monobranched.
   这种化合物的晶体结构是独一无二的单分支的。
2. 2. The plant has a single branch that extends from its base.
   这棵树有一个从根部延伸出的单一分支。
3. 3. The molecule is composed of two monobranched chains.
   这个分子由两个单分支链组成。