0 a long, thin piece of tissue that provides support in an organ, such as the heart -- (身体组织)小梁,柱
bone trabecula 骨小梁
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。