正文

VOA慢速英语:Top Technology Stories of 2016

2016-12-29来源:VOA

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词汇讲解：

1. expand vt.扩张; 使…变大; 详述
例句：Engineers noticed that the pipes were not expanding as expected
工程师注意到管道并没有如预期那样膨胀。

2. discover vt.发现; 碰见; 撞见
例句：She discovered that they'd escaped
她发现他们已经逃跑了。

3. explode vi.爆[突]发，发怒; 激增
例句：They were clearing up when the second bomb exploded
他们正在清理时，第二颗炸弹爆炸了。

4. investigation n.侦查; （正式的）调查
例句：We are making a thorough investigation
我们正在进行彻底调查。

5. announce vt.宣布; 述说; 声称
例句：He will announce tonight that he is resigning from office
他将于今晚宣布辞职。