Things are not as bad as they once were but, according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of pollutants.

虽然现在的情况不像以前那么糟糕，但是根据美国肺脏协会的数据，洛杉矶仍然是美国污染物水平最高的城市。

youdao

Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had transformed from a collection of suburban neighborhoods to the second-largest city in the United States.

汤姆·布拉德利在1973年至1993年期间担任洛杉矶市长。在这个时期，洛杉矶从一个郊区聚居的城市转变为美国第二大城市。

youdao

He repeated the comment on Monday before an audience in Los Angeles, and later told reporters, that the United States needs to focus on the Afghanistan-Pakistan border.

星期一他在洛杉矶发表讲话时再次重申这一点。他后来又对记者说，美国需要集中处理阿富汗和巴基斯坦边界的问题。

youdao

representing Los Angeles, California, United States of America,

代表美国加州的洛杉矶，

圣莫妮卡的 DJ - SpeakingMax英语口语达人

And it would mean that much of the United States, from Los Angeles to Kansas to the nation's capital, would feel like an unbearable oven in the summer.

BBC: Jim Yong Kim

It opens in New York and Los Angeles on March 15th, and across the United States on April 5th.

ECONOMIST: Mexican cinema

Iwata said the portable gaming console, which gaming writers honored among the best at this June's Electronic Entertainment Expo in Los Angeles, California, will be released in the United States and Europe in March.

CNN: Nintendo 3DS to be released in U.S. in March