正文

VOA慢速英语:Study: Mississippi River Overwhelmed by Agricultural Chemicals

2014-07-01来源:VOA

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词汇讲解：

1. wonder vi.怀疑，想知道
例句： I wonder if you supply toys.
不知贵公司是否供应玩具。

2. filter vi.过滤; 透过
例句：I need it to filter out callers.
我需要它帮我过滤来电者.

3. negative adj.消极的，否认的
例句：Their first reaction to the applicant is negative.
他们对申请工作者的第一反应不佳。

4. impact vt.挤入，压紧; 撞击; 对…产生影响
例句：It is obvious how bad movies will impact on children.
坏电影对儿童会产生什么影响是显而易见的。

5. disappear vi.不见，消失
例句：The problem won't just disappear.
这问题不会就这样不了了之的.