Also UNAIDS says it now believes the number of new HIV cases per year reached a high in the late 1990s and more than three million.是什么意思_Also UNAIDS says it now believes the number of new HIV cases per year reached a high in the late 1990s and more than three million.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句