The curtains are for purely decorative purposes and do not open or close.

那些窗帘纯粹用于装饰目的，不能开合。

《柯林斯英汉双解大词典》

It has a built-in electric motor which can open or close the umbrella on demand.

它有一个可以根据需要开合雨伞的内置电动马达。

youdao

You can open or close access at developer speed.

可以根据开发人员的速度打开或关闭访问。

youdao

you could characterize them in terms of how they're gated, -- and basically how they open or close -- that's one way to talk about different types.

你可以通过闸门的类型来描述它们，这基本上也就是看它们是如何打开或关闭的-,这是一种讨论不同类型的方法。

麻省理工公开课 - 化学原理课程节选

It has a gate on it and that gate is in open or close state depending on whether a ligand is present or not.

在这个通道上有个门,这个门是打开还是关闭,取决于配体到来与否

耶鲁公开课 - 生物医学工程探索课程节选

The measure is a key gauge of a retailer's expectations because it excludes stores that open or close during the year.

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There are interior walls made of stainless-steel vertical panels that slide to open or close off rooms or create smaller openings.

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Polish organizers later stated that they were unable to take a unilateral decision to open or close a roof since they needed clearance from FIFA to do so.

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