求翻译：2015 年初巴西檢調單位調查國營石油公司 Petrobras 的弊案，因為巴西的貪污醜聞層出不窮，檢調人員早已見怪不怪。但沒想到 2015 年 6 月底情況急轉直下，汙點證人指證巴西總統羅賽芙與多名政府要員都曾收受賄賂，金額高達 20 億美金。是什么意思？

正在翻译，请等待...

In early 2015 Brazil audit-unit survey federal oil company petrobras harm case, because Brazil of corrupt and embarrass you notice schemes, audit researchers have 見怪 does not look. But do not think about 2015 Year 6 month end case 急轉直下, dirt point by means of Brazilian president of basil, 芙 with mor

At the beginning of 2015 Brazil And adjustment Unit investigates state oil company Petrobras the shortcoming document, because Brazil's embezzlement scandal emerges one after another incessantly, and adjustment personnel is already unalarmed by strange sights.But had not thought in June, 2015 the fa

Early 2015 Brazil prosecutors investigate the scandal of State-run oil company Petrobras, Brazil an endless stream of corruption scandals, prosecutors have already got used to. But I didn't think of the end of June 2015, and tainted witnesses to testify against Brazil President rousseff with a numbe

正在翻译，请等待...