留美老师带你每天说英文 第811期:饮用水的安全
2020-07-30来源:和谐英语
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台湾籍旅美老师今天交给我们的句子是:
Take a look at the water in this glass. Refreshing, hydrating, and invaluable to your survival. Before you take a sip, though, how do you know that the water inside is free from disease-causing organisms and pollutants?
看看杯子里的水,既干净、滋润又珍贵,能维持人类基本生存。不过,在你啜饮之前,你怎么来判断水里面有没有有害的有机物质或者是污染物?
学习重点:
1.refresh 恢复活力
refresh (v.) 恢复活力
fresh (adj.) 新鲜的
2.invaluable 无法估价的
invaluable (adj.) 无法估价的
valuable (adj.) 很值钱的
3.survival 生存
survival (n.) 生存
survive (v.) 生存
4.pollutant 污染物
pollutant (n.) 污染物
pollute (v.) 污染
pollution (n.) 污染