慢速英语:Experts: El Nino Could Be the Strongest on Record

Source: VOA 2015-11-16 English BBS Favorite

词汇讲解：

1. expand vt.扩张; 使…变大
例句：I want to expand the medical program and the recreation program.
我要扩充医药工作和康乐活动。

2. affect vt.影响; 假装; 感动
例句：Antenatal complications can affect a baby's health.
胎儿期并发症能影响婴儿的健康。

3. explain vt.讲解，解释
例句：He made up a story to explain why he was absent.
他编造了一个故事为他的缺席辩解。

4. tend vt.照料，照顾
例句：We tend to make mistakes when we do things in a hurry.
忙中不免出错。

5. severe adj.严峻的; 严厉的
例句：An excess of rain caused severe floods.
雨水过量造成了严重的水灾。

6. examine vt.检查，调查
例句：The doctor examine the patient carfully.
医生对这位病人作了仔细检查。

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