VOA慢速英语:US Inventor’s Battery Could Change the World… Again

1.produce vt.产生; 生产; 制作; 创作
例句：The drug is known to produce side-effects in women
据悉，这种药会对女性产生副作用。

2.solve vt.解决; 解答; 解释
例句：Their domestic reforms did nothing to solve the problem of unemployment
他们的国内改革未能解决失业问题。

3.revolution n. 革命; 旋转; 彻底改变
例句：The period since the revolution has been one of political turmoil.
革命爆发后就陷入了政治动乱期。

4.convenient adj.方便的; [废语] 适当的
例句：The family thought it was more convenient to eat in the kitchen.
这家人认为在厨房吃饭更方便。

5.opportunity n.机会; 适当的时机良机; 有利的环境
例句：I had an opportunity to go to New York and study
我曾经有一个去纽约学习的机会。

6.predict vt.预言，预测; 预示
例句：The latest opinion polls are predicting a very close contest
最近的民意测验预测竞争将会非常激烈。