正文

VOA慢速英语:Everyday Grammar: Mastering Reported Speech

2015-07-11来源:VOA

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词汇讲解：

1. summarize vt.总结，概述
例句：It will be useful to summarize the relevant Gaussian formulae.
有必要概括地讲一下有关的高斯公式。

2. explain vt.讲解，解释
例句：Would you please explain the theme in detail?
您是否能详细地说明一下主题?

3. require vt.需要; 要求
例句：sometimes require a more sovereign stance.
有时是需要独占姿态的。

4. appear vi.发表; 出现，显现
例句：They appear to be very sensitive to mildly corrosive environments.
它们似乎对轻度的腐蚀环境非常敏感。