0 the largest bird in the crow family, with shiny black feathers -- 渡鸦
1 (especially of hair) shiny and black -- (尤指毛发)乌黑发亮的,乌油油的
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。