In March 1991,a scientist with the U.S. Environmental Protection Agency reported that as many as 60,000 people in the United States may die prematurely each year as a result of particulate pollution.是什么意思_In March 1991,a scientist with the U.S. Environmental Protection Agency reported that as many as 60,000 people in the United States may die prematurely each year as a result of particulate pollution.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句