全部

1·On Mars you might see people wbo wear special hoots.

在火星上你可能看见穿着特殊靴子子的人。

2·Results also show that EXC-Cd were the most active or available form, and then WBO-Cd in Acidic-neutral soil.

不同供试土壤中活性镉的形态是：中、酸性土壤主要为交换态与松结有机态，而石灰性土壤上则以交换态为活性镉的主要给源。