0 a town by the sea or by a river that has a harbour, or the harbour itself -- 港市;港
1 a part of a computer where wires from other pieces of equipment, such as a printer, can be connected -- (計算機)端口
2 the left side of a ship or aircraft -- (船或飛機的)左舷
3 a strong, sweet wine made in Portugal -- 波爾多葡萄酒(葡萄牙產)
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。