The South Pole's Aitken Basin, an eight-mile deep gouge in the lunar crust, ranks as the largest impact crater in the solar system, and could hold water in the form of ice.
南极的艾肯特盆地陷入月球表面8英里，称得上是太阳系内最大的撞击形成环形山，那里可能存在着冰块形式的水。
The Grand Tour was convinced to be an indisipensable form of education for young noble and popular in the higher ranks of society.
大陆游学被视为是贵族青年教育的必经阶段，为英国上层社会普遍接受；
Once this analysis is done, the jobs together form a hierarchy which indicates the different levels, or ranks, within the organisation.
当分析一经完成，在组织的范围内，各项工作将根据不同的水平和排序进行统一的层次划分。
Italy trained today ahead of this Friday's friendly with Belgium, and Antonio Cassano was in particularly impressive form, bagging four goals in a practice match within ranks.
今天为了备战周五与比利时的友谊赛，今天意大利队继续训练，卡萨诺的表现尤其抢眼，他在练习赛中独中四元。
Italy trained today ahead of this Friday's friendly with Belgium, and Antonio Cassano was in particularly impressive form, bagging four goals in a practice match within ranks.
今天为了备战周五与比利时的友谊赛，今天意大利队继续训练，卡萨诺的表现尤其抢眼，他在练习赛中独中四元。
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