这些探险很可能是受当地人口增长和政治局势的影响的，以及探索未知水域的带来挑战和刺激感。
These expeditions were likely driven by population growth and political dynamics on the home islands, as well as the challenge and excitement of exploring unknown waters.
先前的一些研究表明，参与心理刺激的活动来挑战你的大脑可能会有所帮助。
Some previous studies have suggested that challenging your brain with mentally stimulating activities might help.
在他的研究中，他甚至推测类似地质变动的挑战，以及气候变动之类的因素也许刺激了人类在非洲的进化。
In his own work, he's even speculated that similar tectonic challenges, and not just factors such as climate change, could have spurred the evolution of humans in Africa.
每一个新发现都将引领你到另一个刺激的挑战中去。
Every new awareness will lead you to anotherstimulating challenge.
我已经跑了两次波士顿马拉松，我开始为Hopkinton的刺激、Wellesley那些欢呼的人群，还有Heartbreak山的挑战而倾倒。
I had run it twice, and I began raving about the excitement in Hopkinton, the screaming crowds at Wellesley, and the challenge of Heartbreak.
而且，他们还倾向于参加富有刺激或智力挑战的活动。
And they tend to be engaged in stimulating or intellectually challenging activities.
使用巨蟒和马格利特荒诞绘画刺激想法，就像卡夫卡的短篇故事一样，是为了他们解决对解决世界挑战的看法。
The idea of using absurdist stimuli like Monty Python and the Magritte painting is that, like Kafka's short story, they challenge our settled perceptions of the world.
其目的是看看当改变大脑中的神经刺激时，夫妻间如何分享一个新奇而有挑战性的经历。
The goal is to see how sharing a new and challenging experience with a spouse changes the neural activation of the brain.
显然，那个相当挑战相当刺激的概念，很轻易地将自己变成，那种我们所说的直截了当的语气。
Obviously, that rather challenging and provocative notion is something that lends itself readily to the sort of no-nonsense tone that I'm talking about.
阅读一些有挑战的书-很多人喜欢阅读悬念小说，但是通常这些书都不会刺激智慧思维。
Read Challenging Books - Many people like to read popular suspense fiction, but generally these books aren’t mentally stimulating.
但是，不论游戏如何美观和方便，如果内容不够娱乐、刺激或者对玩家没有挑战性，他们将会很快失去兴趣。
But, regardless of how aesthetically pleasing and accessible the games are, if the content of the game is not entertaining, stimulating or challenging to the player, they will quickly lose interest.
还有另外一些攻击者完全出于寻求刺激性的挑战目的，想渗透保护良好的系统。
And still other attacks are motivated by the sheer challenge of penetrating a well-secured system.
换言之，日子艰难的时候，流行文化更应该积极反映，更应该刺激，精彩，有吸引力而且敢于挑战，而不是麻痹我们。
If anything, when things are rocky, pop culture has more of a responsibility to be stimulating, exciting, engaging, and even challenging, not just anesthetizing.
孩子们采用循序渐进的方式接近刺激和挑战，很少有孩子第一次就试图爬到顶端。
Children approach thrills and risks in a progressive manner, and very few children would try to climb to the highest point for the first time they climb.
它们给予我们的不仅是刺激的挑战，还有令人安心的承诺。
也可以问观众一些刺激性的问题，挑战他们的智力，迫使他们思考。
Challenge people intellectually by asking provocative questions that make them think.
不仅提供了生活的必需品，而且提供的挑战，刺激的思想，强调个性，而不是统一。
Providing not only the necessities of life but also offering challenges that stimulate the mind, emphasizing individuality rather than uniformity.
冬天，茫茫林海，皑皑白雪，天然滑雪场更让人体验挑战大自然的刺激。
In winter, the vast Lin, pure white snow, natural ski experience even more stimulating challenges of nature.
谈论挑战经理面孔在刺激独特的小组工作者。
Discuss the challenges managers face in motivating unique groups of workers.
这是一种挑战，是非常刺激和富有意义。
白羊座：送跳伞课或其它刺激运动的听课证会令喜欢挑战的白羊座高兴得跳起来。
Aries: Aries loves a challenge, so a gift certificate for sky-diving lessons or some other daring endeavor would thrill the Ram.
换份工作无疑会帮你重拾那种挑战的刺激感。
A career change can provide you with the challenge you crave.
白羊座：跳伞课或其他刺激运动的听课证会令喜欢挑战的白羊座高兴得跳起来。
Aries: Aries loves a challenge, so a gift certificate for sky-diving lessons or some other daring endeavor would thrill the Ram.
我发现这工作不像我原来认为的那么具有挑战性，我想找一份有刺激性的工作，这样可以进步。
I'm not finding the work as challenging as I used to. I want to find a job that is stimulating, where I can grow.
我发现这工作不像我原来认为的那么具有挑战性，我想找一份有刺激性的工作，这样可以进步。
I'm not finding the work as challenging as I used to. I want to find a job that is stimulating, where I can grow.
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