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成せい層そう火か山ざんは、溶よう岩がんと火か山ざん灰ばいが交こう互ごに積つみ重かさなって形けい成せいされる。

Span Details

成せい層そう火か山ざん

stratovolcano; composite volcano

溶よう岩がん

lava

noun

quotation, conditional, companion, or and marker

火か山ざん灰ばい

交こう互ごに

alternately; by turns; one after the other

積つみ重かさなっ

pile up; accumulate; stack up

-> 積み重なるgodan verb

connective te-form

形けい成せい

formation; shaping; creation

noun, suru verb

passive, potential, or respect auxiliary