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Meaning of 密闭

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(Trad.: 密閉)
sealed; airtight
Example Sentences
1
Smoking in confined areas can cause fires.
2
I was scared of confined spaces and especially the dark.
3
As a precaution, put them in an airtight freezer bag.
4
Grab an airtight container and plant your flour in the refrigerator.
5
Ventilation can help reduce the level of pollutants in closed rooms, the researchers said.