More than 1,760 UN military and civilian peacekeepers from over 100 countries have died in the line of duty since 1948.是什么意思_More than 1,760 UN military and civilian peacekeepers from over 100 countries have died in the line of duty since 1948.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句