意思是：用拐杖支持的，有丁字形柄的，有支柱的；
句子实例：
His wife is so mean that if he gave her a crutch, she'd go and bread her bloody leg.
他老婆吝啬到这样子：假如他给了她一根拐杖，他会蠢到把她那臭腿折断的。
I used a stick to support me; it served its turn I could procure a crutch.
我过去拄手杖，等我弄得到拐杖后，那手杖就完成任务了。
