Over 300 billion tonnes of ice are melting... 超过3000亿吨的冰正在融化
ten tonnes of its droppings rain down on the city. 都有十吨粪便雨降临这座城市
Massive neck muscles enable them to shovel five tonnes of snow a day. 强大的颈部肌肉让他们每天可以铲五吨的雪
Between them, they will devour 40,000 tonnes of food in a day. 每天能吃掉四万吨食物
and a whole swarm can consume literally hundreds of tonnes of vegetation. 而整团蝗虫云能消耗掉数百吨植物
When full, a saguaro stem can store up to five tonnes of water 吸饱水后 弁庆柱的茎干中 已储存了5吨左右的水
Every year almost 2 thousand million tonnes of sediment 每年大约有20亿吨泥沙在此沉淀
The Amazon transports a billion tonnes of sediment a year, 亚马逊河每年会带来10亿吨的泥沙