By chemically extracting nickel form the ash, they produced 100 pounds of nickel per acre of land at a total cost per pound slightly above that of current mining.
通过化学方法从灰烬中提取镍,他们每英亩土地生产了100磅镍,每磅的总成本略高于目前的采矿成本。
2
I squeezed my 300-pound frame through that hole expecting others to follow, and instead I find myself in a strange new land, mostly alone, and wondering at this new life.
Driver Kaia Larsen captured a dramatic image which shows the US Navy plane, an 88-million-pound E-6B coming in to land when birds took off en masse and flew at it.