Columbus had two caravels with him on his great voyage.

哥伦布在他的伟大航行中有两艘帆船。

In 1493, when he sailed across the Atlantic for the second time, Christopher Columbus had Iberian pigs aboard his caravels.

1493 年，克里斯托弗·哥伦布 (Christopher Columbus) 第二次横渡大西洋时，在他的帆船上饲养了伊比利亚猪。

When I first learned about caravels, which were those small ships that Portuguese explorers used to travel down the African coast in the 15th century, I had a hard time remembering that name – caravels.

当我第一次了解到“帆船”(caravels)时，我很难记住这个词。“caravel”是葡萄牙探险家在15世纪沿非洲海岸航行时使用的小船。