0 relating to, producing, or like milk -- 乳的;产生乳汁的;乳汁状的
1 a tube that carries a liquid formed from digested food from the small intestine into the blood -- 乳糜管
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。