rarefy
Definition
To make or become less dense or more refined, often in a literal or metaphorical sense.
中文 使变得密度更低或更精细，通常在字面或比喻意义上。
Example
"At high altitudes, the air becomes rarefied and breathing becomes difficult."
To make or become less dense or more refined, often in a literal or metaphorical sense.
中文 使变得密度更低或更精细，通常在字面或比喻意义上。
"At high altitudes, the air becomes rarefied and breathing becomes difficult."