1. Captain Cook was responsible for safely navigating his ship without accident for 100 voyages. 库克船长负责了安全导航他的船，百次航行无事故。
2. We know what important historical repercussions some of those voyages had. 我们知道了其中一些航海行动的重大历史影响。
3. Certainly it distinguished them from their ancestors, but what gave them the courage to launch out on such risky voyages? 当然，这使他们有别于他们的祖先，但是什么让他们有勇气进行如此冒险的航行呢？
4. As the Arctic ice pack spread southward, Norse voyages to the west were rerouted into the open Atlantic, then ended altogether. 由于北极的大片浮冰向南移动，挪威人的航行路线由向西航行改成了向开阔的大西洋航行，后来向西的航行整个都终止了。
5. There has been this assumption they did, and people have built canoes to re-create those early voyages based on that assumption. 他们曾经有过这样的假设，人们在此基础上建造了独木舟以重现那些早期航行。
