xǔ duō lì shǐ yán jiū zhě zhì lì yú jiē lù guān dōng jūn zài qīn huá zhàn zhēng zhōng de bào xíng

许多历史研究者致力于揭露关东军在侵华战争中的暴行。

Many historical researchers are committed to exposing the atrocities of the Kwantung Army during the war of aggression against China.