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BBC在线收听下载:美泰公司推出不同体型的芭比娃娃

2016-02-05来源:BBC

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词汇讲解：

1. protect vt.保护，保卫; 贸易保护
例句：These electric wires are protected by a rubber covering.
这些电线用橡胶作防护层。

2. ensure vt.保证，担保，确保
例句：I cannot ensure his being on time.
我不能保证他会准时。

3. tighten vt. 变紧；使变紧
例句：He tightened up the rope a little.
他把绳子绷紧了一些。

4. declare vt. 宣布，声明；断言
例句：The governor declared a state of emergency.
州长宣布紧急状态。

5. establish vt. 建立；创办
例句：They are now comfortably established in their new house.
他们现在已经舒舒服服地在新居里安顿下来了。

6. opportunity n. 时机，机会
例句：He muffed a good opportunity for a promotion.
他错过一个晋升的大好机会。