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  1. vapors

    • vapor的名詞複數
  2. 知識+

    • 想請問一下 是否有化學泰斗

      A solution has a 1:4 mole ratio of pentane to hexane. The vapor pressures of the pure hydrocarbons at 20 °C are...

    • 英文問題!高手請進!

      ...補充的 transpiration?散發 precipitation?墜落 continuously?不斷地 evaporation?蒸發 vapor?蒸汽 moisture?溼氣 ripe?成熟的 impermeable?不能滲透的 creek?小溪

    • 關於 memberane?

      ...anyone know what kind of memberane can let Oxygene to penetrate but not water vapor and Carbone Dioxide to penetrate? 有哪一位知道什麼樣的薄膜可以...