The Natural History Museum's expedition will be the largest scientific exercise ever mounted in Paraguay and one of the most ambitious by British scientists in 30 years.

这将成为英国自然历史博物馆有史以来在巴拉圭规模最大的探险活动，也将是近30年来英国科学家最雄心勃勃的考察。

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The joint exercise follows a series of smaller steps to break the ice, including a joint mountaineering expedition and joint naval exercises.

联合军演之前有一系列的破冰步骤，包括联合登山探险和联合海上演习。

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"The expedition is supposed to be a challenge - not a survival exercise, " he said.

BBC: Charlotte Shaw