正常: regular, normal, ordinary...
百科全书: encyclopedia...
录音机: (tape) recording machine, tape recorder...
萧条: bleak, desolate, (economic) depression or slump...
闹事: to cause trouble, to create a disturbance...
年夜饭: New Year's Eve family dinner...
软件: (computer) software...
生活: life, activity, to live, livelihood...
松树: pine, pine tree...
照相机: camera...