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Sentence analysis
11Spans
Sentence
Span Details
電波探知機
radarnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
開発
development; cultivation; application; exploitation (of resources)noun, suru verb
は
topic markergrammar
第二次世界大戦
Second World War; World War II; WWIInoun
中
medium; average; middle; in; within; among; during; while; throughout; currently doing; in the process of; under; middle way; moderation; second volume (of three); junior high school; middle school; Chinanoun, suffix
に
direction, time, indirect object, or target markergrammar
急速
rapid; fast; quickna-adjective, noun
に
adverbial form after a na-adjectivegrammar
進ん
advance; go forward; move ahead; precede; go ahead; lead; make progress; improve; deepen; heighten; intensify; be fast (clock); be ahead; gain time; do willingly; do of one's own accord-> 進むgodan verb
だ。
past tense or completed action-> たgrammar