正文

VOA常速英语:Scientists Ponder 'Epoch' of Damage to Global Water System

2013-05-21来源:VOA

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词汇讲解：

1. discuss vt.讨论，谈论
例句：You won't discuss it?
你不想讨论这事?

2. component n.成分；零件
例句：Intelligence is the core component of personal qualities.
智力是个人素质的核心性成分。

3. executive adj.执行的；管理的
例句：She's a senior executive in a computer company.
她在一家计算机公司担任高级行政人员。

4. combine v.使结合；使化合
例句：We must combine revolutionary vigour with scientific approach.
我们必须把革命精神和科学态度结合起来。

5. ensure vt.确保
例句：Give us the names and we'll ensure your safety.
把名字给我们,我们就保证你的安全.

6. expect vt.期望；预料
例句：You expect him to remember?
你指望他能记住？