The rare earth elements reflect that these cherts formed in the deep-water basin far from continent where terrestrial material had no obvious effect to them.

但硅质岩稀土元素特征反映其受陆源影响不明显，为远离陆源的深水盆地沉积。

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To avoid contamination, Wells in the Bengal Basin can be drilled into deep layers that were oxidized during the last ice age, in which the water is free of arsenic, Berg says.

为了防止被污染，孟加拉盆地的水井钻入了在上一个冰河时期被氧化的深层地层中，这一层的水是不含砷的，伯格说。

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But as the tsunami propagates into the really deep water of the Pacific Basin, [the shallower origin] does decrease its amplitude somewhat.

但是当海啸传播至太平洋盆地真正的深水区域时，由于海啸发源地海水较浅，这确实稍稍减小了它的振幅。

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