单词	Scotch pebble
释义	Scotch pebble noun : a pebble of cryptocrystalline quartz (as agate or chalcedony) found in Scotland and used for ornament after being cut and polished Word History First Known Use 1752, in the meaning defined above
随便看	ionizing ionizings ionizion ionizions ionogen ionogens ionomer ionomers ionones ionophore ionophores ionophoreses ionophoresis ionophoretic ionosonde ionosphere ionospheres ionospheric ionospherically ionotropy Ionoxalis ions ionto- iontophoreses iontophoresis

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