Solgel
a. [生](尤指原生質)溶膠與凝膠狀態相互轉換的
??? 情景例句
Everything.
每一樣事情。
Not only did I forget my train ticket, but I also forgot my passport.
我不僅忘了帶火車票，還忘了帶護照。
Oh! Do you have to?
噢！必須收拾嗎？