词汇“冷练“三九”，热练“三伏””的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	冷练“三九”，热练“三伏”
释义	冷练“三九”，热练“三伏”冷练“三九”，热练“三伏”[lěng liàn sān jiǔ rè liàn sān fú]1.■A man must train in the coldest winter and the hottest summer.
随便看	failletine faillette fail of fail-out fail-passive fail-safe fail-safe analysis fail-safe autopilot fail-safe design fail-safe device fail-safe principle fail-safe rail assembly failsafe tape fail-soft autopilot fail spot fail to failure failure button failure circle failure classes failure condition failure crack failure current failure density failure detection

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