大学英语：重要词汇point,punct= point,make sharp, 表示“点，变尖”

pointed a 尖的，成尖状的(point+ed)

pointer n 指针;批示者(point+et→尖的东西→指针)

appoint v 任命，指派(ap加强动作+point→指定某人)

disappoint v 使失望;受挫折(dis不+appoint→不[被]指派→失望)

acupuncture n 针灸(acu尖+punct+ure→用针尖点→针灸)

punctual a 准时的(punct+ual→到点上→准点的)

punctuality n 守时(punctual+ity)

puncture v 穿孔，刺穿(punct+ure→点[进去]→刺穿)

punctilious a 谨小慎微的(punct+ilious→[做事]点滴不漏→小心的)

compunction n 后悔，悔恨(com共同+punct+ion→浑身像针刺一样→悔恨)

punctuate v 加标点(punct+uate→加上点→加标点)

punch v 打洞(punch→punct的变体)

pungent a 刺鼻的;尖锐的(pung[=punct]+ent→尖的→尖锐的)