美国多地废水样本中新冠病毒量上升【健谈英语】

【头条播报】
Samples from US wastewater sites have shown an increase in the coronavirus in March in a third of locations, the Centers for Disease Control and Prevention confirmed, suggesting that cases in key cities including New York are rising. Wastewater samples provide important, advanced information about the spread of coronavirus because those who are infected shed the virus in their feces. The agency added wastewater data to its COVID-19 tracker on Feb 4.

【分句讲解】
①Samples from US wastewater sites have shown an increase in the coronavirus in March in a third of locations, the Centers for Disease Control and Prevention confirmed, suggesting that cases in key cities including New York are rising. 
美国疾控中心证实，美国废水处理厂的样本显示，在三月有三分之一的废水样本检测点显示出新冠病毒呈上升趋势，这表明包括纽约在内的一些主要城市新冠感染人数正在上升。

1. samples/data/studies from ... have shown an increase in ... 样本、数据或研究结果表明在某方面有所增加

data n. 数据（单数形式为datum）

increase n./v. 上升，增长
an increase in salary 收入上涨
My boss decided to increase my salary.
我老板决定给我加薪。

2. cases in ... are rising 某区域的案例或者病例正在增长

case n. 案件；案例，病例
criminal case 刑事案件

3. wastewater sites 生活废水处理站

waste n. 浪费，挥霍；废料，废品
waste of time 浪费时间
toxic waste有毒废弃物
wastewater n. 废水
wastepaper n. 废纸等

waste adj. 废弃的，无用的，荒芜的
waste land 荒芜之地

waste v. 浪费，白费
waste money 浪费钱

②Wastewater samples provide important, advanced information about the spread of coronavirus because those who are infected shed the virus in their feces. 
因为新冠患者排泄物中含有新冠病毒，所以生活废水中的样本为新冠病毒的传播提供了重要且最新的信息。

1. provide v. 提供
provide food 提供食物
provide useful information 提供有用的信息

2. advanced information 最新信息
advanced adj. 先进的；高等的

advance v. 促进，使……前进
advance one’s career 拓展自己的事业

3. shed v. 去除，摆脱；掉落
shed tears 落泪
shed blood 洒热血

③The agency added wastewater data to its COVID-19 tracker on Feb 4.
2月4日，该机构将废水检测数据添加到其新冠疫情追踪系统中。

1. tracker n. 追踪系统
track v. 追踪，跟踪