isoneomatabiol

例句：

1. 1. I can't understand why you're so upset.
   我不明白你为什么那么生气。
2. 2. He couldn't understand the instructions given in the manual.
   他看不懂说明书上的说明。
3. 3. The scientist was unable to understand the results of the experiment.
   科学家无法理解实验的结果。