水的导热性和热容量、压力和阻力都比空气大，人在水中体热散发相对多一些，能量消耗也大于陆上活动。

The heat conductivity, thermal capacity, pressure and resistance of water are bigger than those of the air, so a person loses more body heat in water and consumes more energy than on land.

youdao

显然，达尔文在三天的航程中表现良好。一个惯于陆上活动的人竟能这么快适应海洋，这令菲茨罗伊印象深刻。

Apparently, Darwin handled the three day trip very well and FitzRoy was impressed that a land lover could take to the sea so quickly.

youdao

同时还有半天及全天儿童露营，主要有牙买加传统说故事、木筏制作学习以及一些陆上及海中活动项目。

Also available are half and full-day kids camps featuring traditional Jamaican folklore storytelling, craft-making and sport and sea activities.

youdao

We forget about the enormous trading vitality of Asia, even sea vitality and land vitality at the same time, but they are without any question by this point-- with the decline of the Spanish empire, which begins before this course-- the Dutch and the English.

我们先不考虑亚洲大量的贸易活动,包括同时的陆上和海上贸易,在十七世纪之前,随着西班牙帝国的衰退,欧洲最大的贸易实体,毫无疑问是荷兰和英国

耶鲁公开课 - 欧洲文明课程节选