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单词 blanking interval
例句
原声例句
物种起源

The accumulation of each great fossiliferous formation will be recognised as having depended on an unusual occurrence of favourable circumstances, and the blank intervals between the successive stages as having been of vast duration.

每个大化石地层的积累将被认为取决于有利环境的异常发生,并且连续阶段之间的空白间隔持续时间很长。

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