1- sweeping 影响广泛的，大范围的

Covid-19 prompts sweeping changes to US immigration policies.

2-initiative 举措，措施

The Trump administration has relaxed some initiatives targeting undocumented immigrants while expanding programs to block entry of immigrants at the U.S-Mexico border.

3-flatten 把……变平，把……弄平

4-asylum-seeker 寻求避难者，寻求庇护者

While seeking to " flatten the curve " of new covid-19 infections, U.S officials have limited immigration enforcement domestically while taking additional steps to turn away asylum-seekers at America's southern border.

5-Border Patrol 边境巡逻队

6-facility 场所

U.S officials said the country could not put Border Patrol agents at risk and allow the virus to spread through detention facilities.

7-subject to 可能受……影响的

Other travelers, such as European currently subject to travel restrictions due to Covid-19 spread, will not be allowed to passage.

8-detention 拘留，监禁；课后留校

9-ground 理由

In a statement, the agency said it would focus on apprehending undocumented immigrants who pose a risk to public safety or whose detention is mandatory on criminal grounds.

10-accredited 官方认可的，获正式承认的

An agency memo indicated it would not " carry out enforcement operations at or near health care facilities such as hospitals, doctors' offices, accredited health clinics, and emergent or urgent care facilities except in the most extraordinary circumstances. "