短语词组用作形容词 (adj.)～+名词rigorous hardships 严峻的困难rigorous study 严密的研究;严谨的学风短语Rigorous training 严格训练rigorous examination 精确检验Rigorous description 严谨的说明Rigorous childhood 严谨的童年rigorous s 严密的;严谨的;缜密的;严格的rigorous duty 严格的责任rigorous selection 严格选择 返回 rigorous