英音听力讲解:科学家在撒哈拉沙漠发现近40亿年前火星陨石

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词汇讲解：

1. incapacitate vt.使无能力，使不适合
例句：It is designed to incapacitate temporarily rather than injure.
其目的是暂时丧失能力，而不是伤害。

2. arrest vt.逮捕，拘捕
例句：Attempts are being made to arrest the spread of the disease. 
现正设法遏止这种疾病的蔓延. 

3. confirme vt.[法]确认，批准
例句：I'm calling to confirm our lunche on appointment.
我打电话来，是想确定一下我们约好吃饭的事。

4. determine vt.（使）下决心
例句：What will determine its course?
什么决定其未来走向？

5. negotiate vi.谈判，协商
例句：The wto does more than just negotiate liberalisation deals.
世界贸易组织不只是就自由贸易协议进行谈判。

6. discover vt.发现；碰见
例句：I was very happy to discover that.
我很高兴发现了这一点。

7. declare vt.宣布；声明
例句：I declare peace and harmony within me and around me.
我宣称和平，和谐在我的内心和周围。