The museum now has a floor space of 5,500 m2, a building area of 2,800 m2 and an area of 1,200 cm2 for the exhibition hall.是什么意思_The museum now has a floor space of 5,500 m2, a building area of 2,800 m2 and an area of 1,200 cm2 for the exhibition hall.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句