Illegal immigration and globalisation " threaten to dissipate " the american middle-class way of life .
非法移民和全球化“威胁驱散”美国中产阶级的生活方式。
A set of doveish appointments could soon dissipate the fed 's inflation-fighting credibility .
一系列温和的人事任命可能会不久消除联储抑制通货膨胀的可信度。
Because low-levels of airborne radiation dissipate over time and distance , officials have said they don 't expect this to pose a significant health risk in hawaii or the mainland u. s.
