0 an unhealthy condition in which liquid collects in the body tissues between the cells -- 水肿(人体的一种病态,指体液在细胞之间的身体组织中积聚)
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。