正文

VOA慢速英语:Exercise Can Protect Against Two Major Diseases

2016-06-28来源:VOA

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词汇讲解：

1. reduce vt.减少; 缩小; 使还原
例句：It reduces the risks of heart disease.
这降低了患心脏病的风险。

2. explain vt.讲解，解释
例句：She sent him letter after letter to explain the delay.
她一封接一封地给他寄信解释推迟的原因。

3. maintain vt.保持; 保养; 坚持; 固执己见
例句：They agreed to maintain production and refrain from severe wage reductions.
他们同意维持生产，禁止大量削减工资。

4. ignore vt.忽视，不顾
例句：We'll ignore the continuity constrains.
我们往往忽略连续约束条件。