In recent days, tests found that Northern Thailand had very high levels of airborne particulates known as PM2.5.

最近，测试显示，泰国北部空中悬浮微粒，即PM2。5的含量已达超高。

Now, suddenly, the V.A. had swung abruptly to align with the department's most vocal critics, openly acknowledging that respiratory disease was a likely result of airborne particulate exposure during deployment.

现在，突然间，退伍军人协会突然转向与该部门最直言不讳的批评者保持一致，公开承认呼吸道疾病可能是部署期间接触空气中的微粒的结果。