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Sentence

火か山ざん学がく者しゃたちは噴ふん火かの予よ測そくに取とり組くんでいる。

Span Details

火か山ざん学がく者しゃ

volcanologist; vulcanologist

pluralizing suffix (people, animals)

は

topic marker

grammar

噴ふん火か

eruption; volcanic eruption

noun, suru verb

possession, attribution, nominalizer, or nominal linker

予よ測そく

prediction; forecast; estimation

noun, suru verb

direction, time, indirect object, or target marker

取とり組くん

grapple with; wrestle with; engage in a bout; tackle; work hard on; come to grips with

-> 取り組むgodan verb

ongoing or resultant state

-> ているgrammar