VOA慢速英语:Didn't You Use to Be Famous?

1. recognize vt.认出；识别
例句：Many harvard students recognize this.
许多哈佛学生都承认这一点。

2. convention n.会议；全体与会者
例句：The bribery convention is a more formal instrument.
反贿赂公约将是一个更加正式的文件。

3. cancel vt.取消，注销
例句：Their respective bases cancel each other out.
他们各自的政治基础被相互抵消。

4. perception n.知觉；觉察（力）
例句：The reason you are is because of a biased perception.
沮丧的原因是你的感知出现了偏差。

5. define vt.规定；使明确
例句：If absolute, how would you define it?
如果是绝对的，那么你怎样才能确定它？

6. expect vt.期望；预料
例句：But what do you expect?
但你能指望些什么呢？

7. worthless adj.无价值的，不值钱的
例句：But the brands themselves are practically worthless.
但品牌本身真的是一文不值。

8. decay vt.（使）腐烂，腐朽
例句：Tea also helps prevent tooth decay in several ways.
茶还可以在几个方面帮助防止蛀牙。