switch

• I got an electric shock from that faulty light switch .
  那个有毛病的电灯开关把我电了一下。
• The animals learned to press switch levers with their paws .
  动物学习用它们的脚爪揿按开关。
• Cut the wire and attach its free ends to a switch .
  把导线切开，把断开的两端接到一个开关上。
• I was asleep at the switch .
  我错过了时机。
• She comes to the hearth, and switches on the electric light there .
  她走到壁炉那里，打开电灯。
• There is increasing switch to drip irrigation in all areas .
  所有地区转换成滴灌的趋势正在增加。
• If a magnetic field is switched on, the symmetry is broken .
  如果加上磁场，就破坏了这种对称性。
• The switches that hold information are called registers .
  用于贮存信息的开关组合叫做“寄存器”。
• Well, i'll be switched .
  啊，真它妈的。
• He switched off the lamp and gave himself up completely to despair .
  他拧灭了灯，完全陷入了绝望。