85. 电机工程师 an electrical engineer
84. 电路故障 electrical fault
83. 电灯 electric light
82. 哥哥 elder brother
81. 尽一番努力 make an effort
80. 采取有效措施 take effective measures
79. 对…有影响 have an effect on
78. 生效;实行 come into effect
77. 主编 a chief editor
76. 经济舱 economy class