名词
中文翻译：极端的克尔球洞
同义词：
['extremely deep hole', 'extremely deep pit']
例句：
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1.The extreme Kerr hole is a challenging part of the climb.
极端的克尔球洞是攀爬中一个具有挑战性的部分。
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2.The team needs to find an extreme Kerr hole to avoid being caught by the enemy.
团队需要找到一个极端的克尔球洞来避免被敌人抓住。
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3. The extreme Kerr hole was filled with water and mud, making it difficult for the climbers to continue their ascent.
极端的克尔球洞被水和泥填满，使得攀爬者难以继续他们的上升。