Rarefy/GRE/Lanbao

GRE蓝宝

Verb

• 使稀薄，变稀薄(to make thin, less compact, or less dense)
  • (反)
    • rarefy ≠ concentrate /condense /make denser 使稀薄 ≠ 使稠密
    • rarefaction ≠ condensation 稀薄 ≠ 压缩
  • (记)
    • rare adj 稀罕的，珍贵的+ fy 转化成动词→使稀薄

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