他喜欢航海,并在湖泊、池塘、河流里学习航行。
He's interested in sailing and learns about sailing on lakes, ponds, and rivers.
同样从13世纪开始,经过精密计算,绘制的地图更为精准,加上航海日志,使航行变得可靠而准确。
Also beginning in the thirteenth century, there were new maps refined by precise calculations and the reports of sailors that made it possible to trace one's path with reasonable accuracy.
人类航海家花费几百年的时间来解决远距离航行中辨认经度的难题。这一研究首次揭示了动物如何做到这一点。
'this study shows, for the first time, how an animal does this.'
He's interested in sailing and learns about sailing on lakes, and ponds, and rivers.
他喜欢航海,并在湖泊,池塘,河流里学习航行
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