单词	pyroclast
释义	pyroclast noun py·​ro·​clast ˈpīrōˌklast plural -s : a fragment of detrital volcanic material that has been expelled aerially from a vent Word History Etymology pyr- + -clast
随便看	admonishment admonishments admonition admonitions admonitorily admonitors admonitory admor admr admrx adms admstr admx adnate adnater adnatest adnation adnations adnexa adnexae adnexal adnexas adnexed adnominal adnominally

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