Such long-distance sea-trade became feasible with the innovative development of plank-built watercraft, equipped with a single central mast supporting a sail of woven rushes or cloth.
英
美
- 这种长途海上贸易成为可行的创新发展的木板建造的船舶,配备了单一的中央桅杆支持帆急忙或梭织布。