The doors open and close automatically.

这些门自动开关。

《牛津词典》

Open and close your eyes twice and your camera will go "click"!

眨两次眼睛，你的相机会“咔嚓”一声！

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These trains can start and stop, open and close doors, and deal with emergencies themselves.

这些列车可以自行启动、停车、开关门以及处理紧急情况。

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In a battle, the windows would open, the cannons would fire, and the windows would close again.

VOA: special.2009.09.10

I can have functions with no parameters, that's fine, I will still need the open and close paren there to identify that I have no parameters.

我每次都需要进行输入码？,函数可以没有参数,我依然需要前后括号,来定义我没与参数。

麻省理工公开课 - 计算机科学及编程导论课程节选

You know,they drive home from work, they open the garage door, they go in, they close the door, and that's it, end of the day.

他们下班开车回来，打开车库门，进门，关门，一天就这样结束了。

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The hinges and hinge brackets are also strengthened to last more than 50, 000 open and close cycles.

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He sleeps, wakes up, eats and swallows on his own, and his eyes open and close, Shelef said.

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