开关

• I had to feel about in the dark for the light switch .
  我得在黑暗中摸索着找电灯开关。
• The computer contains a large number of electronic switches .
  计算机内包含大量电子开关。
• 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。
• The switches that hold information are called registers .
  用于贮存信息的开关组合叫做“寄存器”。
• A motorman tried to pry rex's jaws open with a switch rod .
  一个司机想用一根开关棒撬开雷克斯的嘴。
• He flicked a switch .
  他扳动开关。
• "keep your hands off the lever," snapped the elevator boy .
  “别碰电梯开关，”开电梯的工人不客气地说。
• Then, he opened a heavy, smooth swinging, mahogany door .
  然后，他打开了一扇沉重、开关灵活的桃花心木大门。