英语词汇“if and only if”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	if and only if
释义	if and only if 当且仅当
随便看	senile freckle senile gait senile gangrene senile hemangioma senile hip arthropathy senile hip-joint disease senile hyperthy roidism senile insanity senile insomnia senile involution senile keratoma senile keratosis senile kyphosis senile lenticular arcus senile lentigines senile leukocyte stage senilely senile macular degeneration senile mania senile melancholia senile melanoderma senile muscular atrophy senile nanism senile nephrosclerosis senile neprosclerosis 怕就怕“认真” 怕得老虎，喂不得猪怕打倒，先卧倒怕摔跤先躺倒怕摔跤先躺倒，怕受穷先来个穷打算怕柿叶掉下来碰破头怕树叶掉下来打破头怕梨花落尽成秋色。怕死不作鬼怕死暝暝一，不怕死暝暝七私傷私党私兵私刑私利私利私欲私募私印私営私塾