Cách sử dụng
'Airtight' is used to describe something that completely stops air or any other gases from passing through it. You can use 'airtight' to describe containers that prevent air from getting in or out, like food containers or bags used for packing clothes. It can also be used to describe buildings or rooms that do not allow air to escape, which helps with insulation and energy efficiency. Overall, 'airtight' implies that something is sealed tightly so that air cannot pass through it.