Survivors were protected by burrows... 保护幸存者的有洞穴
making them perfectly adapted to hunting in burrows 使它们完全适应了在洞穴中捕猎
Crabs now make their burrows directly beneath the beach lights 螃蟹将巢穴直接建在沙滩灯光下
This is an excellent place for them to dig their nesting burrows, 因为没有天敌能够靠近这里
pikas never stray far from their burrows. 鼠兔从不敢远离自己的洞穴