Spots are found in closed classes.

体育锻炼是在封闭的班里进行的。

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The Committee plans to meet in January 2011 in closed, deliberative sessions.

计划在2011年1月召开一次委员会闭门式审议会议。

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Ventilation can help reduce the level of pollutants in closed rooms, the researchers said.

通风换气可以降低密闭空间内的污染物水平，研究者们如是说。

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Schools remain closed in the parts of Port-au-Prince that were hardest hit by the earthquake.

VOA: standard.2010.02.01

I do it every week. It just so happens that this argument is more closed, more settled, in my own mind.

我每个星期都这样做，只是现在这个讨论,在我心中，是更不公开的，更稳定的。

耶鲁公开课 - 1945年后的美国小说课程节选

It's insulated. It's a closed system. In fact, it's an isolated system. There's no energy or matter that can go through that boundary.

系统指的，是盒子里的东西,它是封闭孤立的。

麻省理工公开课 - 热力学与动力学课程节选

Italy, Sweden, and Malta have partial bans which allow smoking in closed-off, separately ventilated areas.

BBC: Only 27% of 29,000 people polled said they were smokers

If a malicious alteration is made in closed source software, it can go unnoticed.

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The microbes grow in closed glass bioreactors and are fed waste CO2, sunlight, and nutrients.

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