rarefies /'reərɪfaɪz/ 📖 中文释义 vt. 使稀薄(rarefy的第三人称单数形式) 📘 English Definition(英文释义) v lessen the density or solidity ofv make more subtle or refinedv weaken the consistency of (a chemical substance) ← rarefied air R 字母词表 rarefy →