0 a chemical element that is a hard, light, silver-grey metal, used to make strong alloys (= mixtures of metals) -- 鈹(一種銀灰色金屬元素,堅硬質輕,用於製作強度高的合金)
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。