0 3rd written as a word -- 第三
2 an undergraduate degree from a university in the UK and some other countries that is below a second-class degree -- (英國大學的) 三級學位成績
3 → third base -- (同 third base)
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。