expletory

例句：

1. 1. I'm sorry for my mistake, and I hope you can forgive me.
   我为我的错误道歉，希望你能原谅我。
2. 2. The scientist explained the experiment to us in detail.
   科学家向我们详细解释了实验过程。
3. 3. She apologized for her rude behavior towards her colleagues.
   她为对她同事的粗鲁行为道歉。