An East German border guard peers through a crack in the Berlin Wall, Nov. 17, 1989, shortly after a West Berliner painted a keyhole around the opening.是什么意思_An East German border guard peers through a crack in the Berlin Wall, Nov. 17, 1989, shortly after a West Berliner painted a keyhole around the opening.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句