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	soothed soother soothers soothes soothest soothfast soothful soothing soothinglier soothingliest soothingly soothingness soothingnesses soothings soothless soothly sooths soothsaid soothsay soothsayer soothsayers soothsaying soothsayings soothsays sootier

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