Eggs that have remained in the ground for 20 years begin to hatch. 在地下埋藏了20年的虫卵开始孵化
they gradually warm and begin to support more life. 河水渐渐变暖 养育的动物也多了起来
They begin their hunt at night. 夜幕降临 它们开始捕猎
so the deciduous forests of America begin to shut down 美洲落叶林开始放慢生命的脚步