(also flight recorder) noun [C] a small machine in a plane that records all the details of each flight and is useful for finding out the cause of an accident 黑匣子；飞行记录仪
black eyeˌblack ˈeye
noun [C] an area of dark-coloured skin around sb's eye where he/she has been hit （被打后的）青肿眼眶: He got a black eye in the fight.他有只眼睛被打得又青又肿。