正文

VOA慢速英语:Scientists Study to Remove Carbon from the Atmosphere

2017-04-24来源:VOA

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词汇讲解：

1.atmosphere n. 气氛; 大气层; 大气，空气;
例句：The Partial Test-Ban Treaty bans nuclear testing in the atmosphere.
《部分禁止核试验条约》禁止在大气层中进行核试验。

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.carbonate n.碳酸盐
例句：The thermal decomposition of calcium carbonate produces calcium oxide and carbon dioxide.
碳酸钙加热分解，生成氧化钙和二氧化碳。

4.filter vi.过滤; 透过; 渗透
例句：The best prevention for cholera is to boil or filter water, and eat only well-cooked food.
预防霍乱的最佳方法是将水煮沸或过滤，并且只食用煮熟后的食物。

5.guarantee n.保证，担保; 保证人
例句：Surplus resources alone do not guarantee growth.
仅有富余的资源并不能确保发展。