They need to harvest the summer grasses 他们要趁着夏季食物充盈时

103. And not a minute too soon.
     时机刚好
104. There are mouths to feed.
     幼崽嗷嗷待哺
105. Her babies must fatten up quickly.
     她的宝宝们必须迅速长大
106. They need to harvest the summer grasses
     他们要趁着夏季食物充盈时
107. while they're still rich with food.
     尽量进食成长x7f
108. On the African savannah, too,
     非洲稀树草原亦是如此
109. seasonal grasses are filled with life,
     应季时草地生命丰富多彩

来自《行星地球 第二季 第五集 Planet Earth S02E05 草原》第 106 行