US man who triggered a major alert by falsely claiming his son was adrift in a helium balloon has been sentenced to 90 days in jail - and his wife to 20.是什么意思_US man who triggered a major alert by falsely claiming his son was adrift in a helium balloon has been sentenced to 90 days in jail - and his wife to 20.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句