1. remember vt.记着; 纪念
例句:For example, it can easily remember such things as:
例如,它可以轻易地记住下面这些信息。
2. observe vt.观察; 研究
例句:We must observe the decencies.
我们一定要遵守规矩。
3. attend vi.出席; 致力于,献身于
例句:He is really too busy to attend to anything else.
他实在太忙, 无法分身。
4. significance n.意义; 重要性
例句:It has a wider significance.
它有更广泛的意义。
5. explain vt.讲解,解释
例句:Please explain yourself.
请你把意思说清楚。