At 2000 metres altitude sickness becomes a problem and acclimatisation is essential.

在2000米处，高原反应就成为一个大问题，而水土不服也是基本反应。

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The key message for the World Cup, then, is that teams need to take into account transition, acclimatisation and tactics.

那么，这次世界杯的重要信息是所有队伍都必须将转换、适应以及战术考虑在内。

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What percentage of the difficulties that you are experiencing do you attribute to the acclimatisation in a new country, in a new club?

你觉得你现在表现的原因，多大程度上是因为你到了一个全新的国家、全新的俱乐部而不适应呢？

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Calzaghe will fly to America on 5 April to begin acclimatisation, alongside stable-mates and sparring partners Bradley Pryce and Nathan Cleverly.

BBC: Calzaghe banking on world support

No longer is the trail an endless line of teahouses and lodges, and the villages are well spaced to assist trekkers with altitude acclimatisation.

BBC: Nepal��s other Everest

La Paz is possibly the better option because it is located at an altitude of 3, 650m, so that you can start your altitude acclimatisation here.

BBC: How to climb a South American volcano