After passing through security, visitors walk down a huge staircase or take an elevator to a huge room called Emancipation Hall.Sunlight enters the underground space through two skylights.是什么意思_After passing through security, visitors walk down a huge staircase or take an elevator to a huge room called Emancipation Hall.Sunlight enters the underground space through two skylights.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句