正文

VOA慢速英语:Scientists Work to Understand Earth's Magnetic Field

2015-08-25来源:VOA

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词汇讲解：

1. component n. 成分; 组分
例句：The light is dispersed into its component wave lengths.
光被色散成各种波长的单色光。

2. change vt.改变，变更; 交换
例句：People like to change things around to suit themselves.
人们喜欢改变周围的事物，使之适合自己。

3. impose vt.强加; 征税
例句：I don't want to impose on you by staying too long.
我不想打扰你,不多耽搁了。

4. effective adj.有效的; 起作用的; 实际的
例句：First, all users will become more effective.
首先，所有人都将更有效率。

5. predict vt.预言，预测
例句：I predict it will outmode overnight.
我预测它会一下就过时的。

6. improve vt. 提高（土地、地产）的价值; （机会）利用; 改善，改良
例句：His manners will improve with age.
随着年龄的增长,他的举止是会逐渐改进的。