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731ななさんいち部ぶ隊たいは戦せん時じ中ちゅうに生せい物ぶつ兵へい器きの研けん究きゅうを行おこなっていた。

Span Details

731ななさんいち部ぶ隊たい

-> ７３１部隊noun

戦せん時じ中ちゅう

during the war; wartime

noun, adverb

direction, time, indirect object, or target marker

生せい物ぶつ兵へい器き

biological weapon; bioweapon

possession, attribution, nominalizer, or nominal linker

研けん究きゅう

research; study; investigation

noun, suru verb

行おこなっ

perform; carry out; conduct; do

-> 行うgodan verb

ongoing or resultant state

-> ているgrammar

past tense or completed action