Dubai is one of the biggest construction sites in the world 迪拜是世界上最大的工地之一
and doubled the number of safe nesting sites. 将能安全筑巢的区域扩大了一倍
One of the planet's most important breeding sites 对于一种特别珍贵的物种来说
might seem to offer perfectly good sites for a nest 却提供了一个筑巢的好地方
Ideal sites are in short supply and quarrelsome neighbours are all around. 理想的地方寥寥无几,邻里纠纷时常发生
but in the pitch black the swiftlets manage unerringly to locate their individual nesting sites, 但是金丝燕却能在黑暗中 准确无误地到达自己的筑巢点