shut off 与turn off有什么区别

shut off

释义：切断;关掉

短语：

Power Shut-off 电源关断 ; 完全电源关断 ; 到完全电源关断 ; 电源关闭

shut-off block 开关组 ; 关闭部件英语

shut-off nozzles 停闭喷咀

例句：

They pulled over and shut off the engine.

他们把车停到路边并关掉了发动机。

Billy tends to keep things to himself more and shut himself off.

比利更加倾向于把事情藏在心里，不与他人来往。

turn off

英 [tɜ:n ɒf] 美 [tɝn ɔ:f]

释义：关掉，关闭;拐弯，使转变方向;使失去兴趣

短语：

turn-off pulse 熄火脉冲

Turn ECM Off 雷达干扰关闭

turn-off arm [电] 关断臂

例句：

The truck turned off the main road, and went along the gravelly track which led to the farm.

卡车离开主路，沿着通向农场的碎石路行驶。

The light's a bit too harsh. You can turn it off.

那灯光有点太刺眼。你可以关掉它。

What turns teenagers off science?

是什么使青少年们对科学失去了兴趣?