This clock operates off of pneumatics, and it has air cylinders that will extend it out.

这个钟是靠气压运转的，它里面的气缸可以让它伸出来。

A non-profit rescue ship operating off the coast of Libya saved 258 migrants in two separate operations early Friday.

周五早些时候，一艘在利比亚海岸附近作业的非营利性救援船在两次行动中营救了258名移民。

So restaurants or shops will just keep operating with the lights off.

因此，餐馆或商店将在关灯的情况下继续营业。

In 2019, the largest wind turbine ever built began operating off the coast of the Netherlands.

2019 年，有史以来最大的风力涡轮机开始在荷兰海岸外运行。