The results indicated that among the three PAHs studied, overall risk of phenanthrene is the highest, benzo(a)pyrene is the lowest.是什么意思_The results indicated that among the three PAHs studied, overall risk of phenanthrene is the highest, benzo(a)pyrene is the lowest.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句