单词	cobble gravel
释义	cobble gravel noun : gravel containing rounded fragments of rock usually ranging in size between 64 and 256 millimeters in diameter Word History Etymology cobble entry 3
随便看	Ichthyopsida ichthyopsidan ichthyopsidans ichthyopsids ichthyopterygia Ichthyopterygia ichthyopterygium Ichthyornis ichthyornises Ichthyornithes Ichthyornithidae Ichthyornithiformes ichthyosaur ichthyosauri Ichthyosauria ichthyosauriae ichthyosaurian ichthyosaurians ichthyosaurias ichthyosaurid Ichthyosauridae ichthyosauridaes ichthyosauroid ichthyosaurs ichthyosaurus

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