crutch /krʌtʃ/ n. ［c］ 拐杖，支撑，帮助：They use the Internet as a crutch for their loneliness.他们将因特网当作孤独时的精神寄托。When he broke his leg he had to walk on crutches.他腿摔断了以后，不得不靠拐杖走路。