adj.密室中的；后房的；幕后的n.后房；密室 异体字:backroomnewbackroom的英文翻译是

中文解释

这位外科医生的成功全靠那些发明新型心脏机器的默默无闻的实干家。

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backlash hoot owl salute cordially earnest for read of that news quite by chance backhanded way room economically friendly help car for private use new angle