On overcast days, however, the birds were disoriented and had trouble locating their food box.
然而，在阴天，这些鸟儿会迷失方向，难以找到食盒的位置。
Again, several days went by, and when the parent birds returned to the nest with dinner for their babies, the little ones again told them, "we are in trouble!"
又过了好几天，有一次小鸟父母从外面带晚餐回来给它们的小孩吃的时候，那些小鸟小孩又说：“哎呀！”麻烦了！
The birds run into trouble when they dive for prey. From above, the water does not look so very different.
潜水觅食的鸟儿有麻烦了，虽然从上面看，水面并无明显异样。
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