switch on and off的意思|示意

“Even though the panel will not be large enough to power the entire car, it could provide enough power to switch the engine off and on when the car is stopped at a traffic light, ” he said.

“尽管面板不能提供整辆车的动力，但是当车遇红灯停下时，它足以提供发动机熄火和启动所需的能量了。” 他继续说。

They switch on slowly, and they are reluctant to switch off.

它们启动缓慢，并且很难关闭。

Instead, for most people, it switches on and off like a light switch.

相反，对于大多数人来说，它就像开关一盏灯一样。

"Even though the panel will not be large enough to power the entire car, it could provide enough power to switch the engine off and on when the car is stopped at a traffic light," he said.

“尽管面板不能提供整辆车的动力，但是当车遇红灯停下时，它足以提供发动机熄火和启动所需的能量了。”他继续说。

They are controlled by molecular triggers that switch on and off on demand.

它们由能够根据需要开启或关闭的触发分子控制。

Switch the power off and back on.

走开和向后地转变力量在。