0 water that falls from the clouds towards the ground, especially as rain or snow -- (尤指雨或雪的)降落;降水
1 a way of behaving too quickly and without thinking -- 急躁,冲动
2 a chemical process in which a solid substance is produced from a liquid -- 沉淀物,析出物质
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。