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Sentence

火か山ざんガラスは、マグマが急きゅうに冷ひえてできる。

Span Details

火か山ざんガラス

マグマ

magma

noun

急きゅうに

suddenly; abruptly; quickly; hastily; steeply; sharply

get cold; cool down; become chilly

-> 冷えるichidan verb

connective te-form

come into existence; form; appear; be born; get (a friend, free time, etc.)