power on
phrasal verbpower something on | power onp
(also power something up, power up)
- to prepare a machine to start working by supplying it with electricity, etc.; (of a machine) to start working
开机：通过向机器供电等来准备机器开始工作；（机器）开始工作 - Back at the hotel, I powered up my laptop.
回到酒店后，我打开了笔记本电脑。 - The system wouldn't power on.
系统无法开机。
- Back at the hotel, I powered up my laptop.