电脑开机了。
diànnǎo kāi jī le
The computer is on.
请开机。
qǐng kāi jī
Please turn it on.
电影今天开机。
diànyǐng jīntiān kāi jī
The film starts shooting today.
剧组明天开机。
jùzǔ míngtiān kāi jī
The crew begins shooting tomorrow.
