The air at high altitudes begins to rarefy.
高海拔的空气开始稀薄。
Choose the synonym for the word “rarefy” as used in this sentence: “To create a more breathable atmosphere, the engineers needed to rarefy the air within the dome.”
A — dilute. “rarefy” means v. thin dilute purify
As you climb higher and higher, the mountain air begins to ______ and thin out.
C — rarefy. “rarefy” means v. thin dilute purify
rarefy — v. thin dilute purify. In Chinese: 使稀薄，使稀疏.
rarefy is pronounced /ˈrɛərəfaɪ/. It breaks into 3 syllables: rar · e · fy.
The air at high altitudes begins to rarefy. (高海拔的空气开始稀薄。)
thin, attenuate — all close in meaning to rarefy (v. thin dilute purify).
Yes. rarefy appears on the iSEE Vocab Upper list, which covers 804 words for the ISEE and SSAT.
rare (rare) + fy → make thin