We're out in the field, on spotting scopes, watching these animals as they're approaching brand-new structures.

“我们在野外用望远镜观察这些动物靠近新建筑结构的情况。

Birdwatching as a pastime has emerged only in the past two decades, helped by rising incomes that have allowed people to buy spotting scopes, binoculars and cameras.

观鸟作为一种消遣方式在近二十年才出现，这得益于人们收入的增加，人们可以购买瞄准镜、双筒望远镜和照相机。