abnormal /æbˈnɔ:məl/ adj. 反常的，异常的（[反]normal正常的）：abnormal behaviour 反常行为［考句］His body temperature has been abnormal for 3 days, the highest point reaching 40.5 degrees. 他的体温一连三天都不正常，最高达40.5度。［考句］Abnormal human behavior may be caused by eating substances that upset the delicate chemical balance in the brain.人类的非正常行为，可能是由于吃了什么破坏大脑内的微妙的化学平衡的东西造成的。