1、There are several bird nest base is busy in preparation for the winter then.
還有鳥(niǎo)兒正忙著壘窩兒，準(zhǔn)備過(guò)冬呢。

2、The Bird Nest is the National stadium. The other is the National Swimming center.
鳥(niǎo)巢是國(guó)家體育館，羥其他的是國(guó)家游泳館。

3、The Bird Nest is so beautiful that many foreigners have come to visit it.
鳥(niǎo)巢太漂亮了，以至于很多外國(guó)人都來(lái)參觀。

bird nest翻譯