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彼かれは長なが年ねん、この現げん象しょうのメカニズムの究きゅう明めいに取とり組くんできた。

Span Details

長なが年ねん、

many years; a long time

noun, adverb

pre-noun adjective

現げん象しょう

possession, attribution, nominalizer, or nominal linker

メカニズム

possession, attribution, nominalizer, or nominal linker

究きゅう明めい

thorough investigation; inquiry; getting to the bottom of

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

action or change coming toward the speaker or up to the present

-> てくるgrammar

past tense or completed action