Studies have shown that poorly ventilated places actually affect cognition and mental performance.

研究显示通风不良的场所会影响认知和心理表现。

People could be infected beyond the six-foot distance especially in poorly ventilated spaces if they're not wearing masks.

即使人们之间的距离超过六英尺，如果他们不戴口罩，尤其还是在通风条件差的地方也可能被感染。

A senior official said airborne transmission could not be ruled out in crowded, closed or poorly ventilated settings.

一名高级官员表示，不排除在拥挤、密闭或通风不良环境中通过空气传播的可能性。

We're heading into spring and I think there will be less tendency to be indoors in crowded spaces, poorly ventilated spaces, for example.

我们即将进入春天，我认为人们会更少地待在室内拥挤的地方，比如通风不良的位置。

But later, WHO experts said that the spread of the virus through aerosols could not be ruled out in crowded and poorly ventilated indoor spaces.

但是后来WHO专家说不排除在人群密集和通风差的室内空间，病毒有通过气溶胶传播的可能。

During the early stages of the Covid-19 pandemic, contact tracing identified that loads of people became infected when in the same poorly ventilated, indoor spaces.

在新冠肺炎疫情的早期阶段，接触追踪发现大量人群在同样通风不良的室内空间受到感染。

If you're in a poorly ventilated room for a long period of time and someone's positive, there can be transmission inside those rooms. Eating together, very high-risk activity.

如果你长时间呆在通风不良的房间，并且有人是阳性的话，这些房间里可能存在病毒传播。一起吃饭是高风险活动。

This is because warm air doesn't rise in space, so sleeping astronauts in poorly ventilated sections can wake up gasping for air, surrounded by an invisible bubble of their own exhaled carbon dioxide.

这是因为暖空气在太空中不会上升，所以在通风不畅的地方睡觉的话，醒来时你会发现，被自己呼出的二氧化碳组成的无形气泡包围了，会喘不过气来。