It takes several months for marine snow to drift down as far as this. 海雪落到这里也要好几个月的时间
Then, after a few months, the days begin to shorten again 几个月后,白昼又开始缩短
It'll be another twelve months, before he'll be able to fend for himself. 还得再过一年,小豹才能照顾自己
After two months and thousands of miles, they're entering the polar seas both in the north and the south. 历时2个月,数千英里的跋涉 它们进入了两极的极地海洋
but each urchin has five teeth, which are self sharpening and are replaced every few months. 但是每只海胆有5个锋利的牙齿 而且每隔几个月就换牙
She has been living off her fat reserves for the last eight months 她在过去的八个月里一直靠储存的脂肪存活
The whale calf is now five months old. 小座头鲸现在有五个月大了
The mother will be trapped here for the next five months 母座头鲸接下来要困在这里大约5个月
After six months of drought, grass replaces dust over great areas. 六个月的旱季过后 如茵的绿草再一次覆盖了尘嚣大地
For months they've been scattered over huge areas, clinging to existence around tiny water holes. 这些动物曾接连数月 守着零落四方的小水坑 过着艰难的生活