rarifying

The scientist used a special method to rarify the gas for the experiment.

科学家使用一种特殊方法使气体变得稀薄，用于实验。

As the altitude increased, the air rarified naturally.

随着海拔升高，空气自然变得稀薄。

The artist's technique rarifies the texture of the paint, creating a delicate finish.

这位艺术家的技法使颜料的质地变得精细，呈现出细腻的效果。