词汇讲解:
1. explain vt.讲解,解释
例句:He made up a story to explain why he was absent.
他编造了一个故事为他的缺席辩解。
2. insurance n.保险,保险业
例句:Her husband works in insurance.
她丈夫在保险业工作.
3. appear vi.出现,显现; 出庭
例句:I have to appear in court on a charge of drunken driving.
我被控告醉酒驾驶而要出庭受审.
4. assistance n.帮助,援助
例句:He refused the proffered assistance.
他拒绝接受向他提供的帮助.