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BBC在线收听下载:美国研制防治皮肤癌疫苗

2013-09-07来源:BBC

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词汇讲解：

1. oppose vt.反对，抗争
例句：About 24 percent oppose them.
大约24%的人反对它们。

2. involve vt.包含；使参与
例句：These policies would involve explicit taxpayer costs.
这些将涉及的纳税人成本清晰可见。

3. violate vt.违反；妨碍
例句：Employees who violate them can be fired.
违反该规定的员工会被炒鱿鱼。

4. response n.反应；回答
例句：What was the government response?
政府的反应是什么？

5. indicate vt.表明，标示
例句：That could indicate the company overreached in its pricing.
这可能暗示公司在定价时过于雄心勃勃。

6. toughen vt.使变坚韧；使变坚强
例句：It might toughen you up a bit.
或许能让你坚强一点。

7. modify vi.被修饰；修改
例句：I should probably modify my statement though.
不过，我或许应该修改一下自己的说法。

8. receive vt.收到；接到
例句：When did you receive your first e-mail?
你是第一次收到电子邮件是在什么时候？