KOEO Key On Engine Off

• 点火开关打开；发动机不起动

KOEO Key On Engine Off的用法和样例：

例句

1. You just throw the clothes into the washing machine and switch it on.
   你只要把衣服扔进洗衣机，把开关打开就行了。
2. When the switch is on, the circuit is closed and electricity goes through.
   当开关打开时，电路就闭合，电流流通。