The same amount of energy as that consumed by all humanity in one year. 相当于人类一年消耗能源的总和
free of ice several summer months a year. 夏天的几个月当中融化成水
Its surface area in the summer shrinks year by year. 冰冠的面♥积♥每年夏天都在缩减
Its level goes down by over one meter per year. 它的水位每年降低一米
No longer flows into the sea for several months of the year. 一年里有几个月不再流进海里
From 18 to 100 million metric tons a year. 年捕捞量从1800万吨♥涨到1亿吨♥
500 million containers are transported every year, 每年运输5亿集装箱
we lose a few eggs every year. It's just nature. 我们每年都会遗失一些没出生的宝宝 自然规则而已