rigorous词根词缀词源解析前缀:-rig-刚硬+词根-or状况,行为+后缀-ous形容词词尾adj.严格缜密的;严格的;谨慎的;细致的;彻底的;严厉的;例句Guests without invitations have to undergo rigorous safety checks.没有邀请函的客人要接受严格的安全检查。