鸟巢和水立方用英语怎么说啊?

问题描述:

鸟巢和水立方用英语怎么说啊?
急用
多谢啦
要官方翻译哦!
到底是Bird还是Bird's啊?

鸟巢:Beijing National Stadium (Bird's Nest/Olympic Stadium)
水立方:National Swimming Center (The water Cube)