单词	coal measures
释义	coal measures plural noun : beds of coal with the associated rocks Word History First Known Use 1665, in the meaning defined above
随便看	Aisne Aissawa aissawa Aissor aissors aistopod Aistopoda ait aitch aitchbone aitchbones aitches aiten aith aithochroi aitia aitio- aitiology aition aitions Aitken nucleus Aitkenite aitmeal Aitoff projection aitoff's projection

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