在远古时期,我们的祖先以自己的聪明才智发明了独木舟和筏子,后来又发明了舟船。他们先是小心翼翼地沿岸航行,以后又逐岛跃进,到后来,他们越来越勇敢远离海岸,航行到看不到海岸的广阔无际的海洋。我们的先人跨越海洋,辗转迁徙,同时也将自己的独有的文化传播到一个一个岛屿、半岛和大陆之上。他们到了日本列 In ancient times, our ancestors invented canoes and rafts with their own ingenuity, and later invented the boat. They first cautiously traveled along the coasts and later leapped over the islands, and later they grew braver and far away from the coast, navigating to the vast expanse of the sea beyond the coast. Our ancestors crossed the oceans, migrated and moved their own unique culture to one island, one peninsula and the mainland. They arrived in Japan