they were the mainstay in the war of resistance against japan
Related Translations:
中流砥柱: mainstay; a pillar [a firm] rock in midstream; a tower of strength; stand firm as a rock in mid-stream; the chief cornerstone; the solitary rock in a turbulent stream 短语和例子那五位具有真才实学的工程师是这个
抗日战争: the war of resistance against japan; anti-japanese war (1937-1945)
抗日战争研究: the journal of studies of china's resistance war against japan