Word · Frequency #42344
rarefied
/ˈrєərifai/
verb
使稀薄；使变稀；使稀疏
rarefied is the past of rarefy.
核心释义
及物动词
To make rare, thin, porous, or less dense.
- 1.
使稀薄、稀疏、多孔或密度变小。
To make rare, thin, porous, or less dense.
- 2.
变得稀薄、稀疏或密度变小。
To become rare, thin or less dense.
变稀薄；变稀；变得稀薄；使稀薄、稀疏、多孔或密度变小。；变得稀薄、稀疏或密度变小。；使稀少；使稀薄
用法In use
The air at high altitudes rarefies, making it harder to breathe.
用法提示：rarefies 作为动词，表示空气变得稀薄
The philosopher rarefied his thoughts into a concise theory.
用法提示：rarefied 作为过去式，表示使思想精炼纯化
Scientists rarefy the gas to study its properties under low pressure.
用法提示：rarefy 作为动词原形，表示使气体变得稀薄
rarefy sth
及物用法，表示使某物变稀薄或纯化。
The heat rarefies the gas.
热量使气体变得稀薄。
sth rarefies
不及物用法，主语自身变稀薄。
The atmosphere rarefies at high altitudes.
相关词与表达Connections
易混词Confusing words
词族Word family
- rarefaction
- 稀薄化；稀疏；密度减小 · noun
学习提示Learner notes
语法说明Grammar Note
Can be used transitively (e.g., rarefy the air) or intransitively (e.g., the air rarefies).
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.