From a million tons a year more or less. 每年一百万吨上下
This one net must have about 15 tons of fish in it 这张渔网里准有15吨的鱼
Over a million tons is left adrift in the ocean each year. 每年有超过一百万吨渔具被丢弃到海洋中
12 million tons of it end up in the ocean every year. 每年有1200万吨塑料最终流入海洋
Sixty million tons of snow now blanket this herd's territory. 六千万吨的积雪覆盖在野牛群的领地上
Each year they devour millions of tons of grass, 每年会吃掉数百万吨草
They take many tons of water into their ballooning throats in a single gulp and sieve out what it contains. 它们一口可吃进几吨的海水 然后再过滤出想要的东西
Eight meters across and weighing over two tons. 8米宽,超过2吨重
thirty tons in weight, twelve meters long 30吨重,12米长