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Sentence analysis
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Sentence
Span Details
幾年にもわたる
extending over many years; spanning several yearsexpression, noun-modifying
研究
research; study; investigationnoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
末、
end; close; last part; after; at the end of; finally after; tip; extremity; youngest child; youngest sibling; descendants; offspring; posterity; future; future prospects; trifle; trivial matter; degenerate age; world gone badnoun, no-adjective, adverb
ついに
finally; at last; in the end; after all; never (with negative)-> 遂にadverb
新薬
new medicine; new drugnoun
が
subject markergrammar
完成
completion; perfection; accomplishmentnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar