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VOA科学技术2022--环保组织致力于清理危地马拉河

时间:2022-06-28 02:13来源:互联网 提供网友:nan   字体: [ ]
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Environmental Groups Aims to Clean up Guatemalan River

In Guatemala, environmental workers have set up a steel screen across a dirty river to try to trap plastics and other pollution.

The Ocean Cleanup, a non-profit group based in the Netherlands, is leading the effort on the Las Vacas River near Guatemala City. The environmental group employs equipment made specially1 to capture and remove pollution from the water. The aim is to stop the flow of plastics and other trash before it can enter the ocean.

The rainy season in Guatemala begins in May and lasts for several months. Levels of pollution in the river increase during the rains and the trash flows farther and faster.

But The Ocean Cleanup's Interceptor Trashfence is already doing its job to block much of the pollution.

The screen is grounded on both sides of the river. The device has caught so much trash that that one part of it looks bent2.

"What we are trying to do is help clean up," said Boyan Slat, founder3, and director of The Ocean Cleanup. "We have never seen plastics pollution like this," he added. Slat estimates the Las Vacas River carries about 20,000 tons of trash every year.

The next step in the process is to clear the trash from the fencing. The environmentalists are testing to try to find the best way to set up and use the barrier.

"We continue to evaluate variables such as fence height, mesh4 size, and foundation security during this pilot period in Guatemala," the group said in a statement.

Hondurans have protested about the trash problem because a lot of it washes up on the country's coast.

Words in This Story

screen –n. a flat surface made of small wire woven together that lets air or water pass through

evaluate – v. to judge the value or condition of

variable – n. something that changes or can be changed

mesh – n. a material of open texture with evenly spaced holes


点击收听单词发音收听单词发音  

1 specially Hviwq     
adv.特定地;特殊地;明确地
参考例句:
  • They are specially packaged so that they stack easily.它们经过特别包装以便于堆放。
  • The machine was designed specially for demolishing old buildings.这种机器是专为拆毁旧楼房而设计的。
2 bent QQ8yD     
n.爱好,癖好;adj.弯的;决心的,一心的
参考例句:
  • He was fully bent upon the project.他一心扑在这项计划上。
  • We bent over backward to help them.我们尽了最大努力帮助他们。
3 Founder wigxF     
n.创始者,缔造者
参考例句:
  • He was extolled as the founder of their Florentine school.他被称颂为佛罗伦萨画派的鼻祖。
  • According to the old tradition,Romulus was the founder of Rome.按照古老的传说,罗穆卢斯是古罗马的建国者。
4 mesh cC1xJ     
n.网孔,网丝,陷阱;vt.以网捕捉,啮合,匹配;vi.适合; [计算机]网络
参考例句:
  • Their characters just don't mesh.他们的性格就是合不来。
  • This is the net having half inch mesh.这是有半英寸网眼的网。
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