Gram's solution
[医] 革兰氏溶液(磺1份、磺化钾2份及水300份组成)
🧩 词语组成解析
🗣️ 情景例句
Really, Harry.
真的， Harry。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
I sometimes stay in bed until lunchtime.
有时我要一直躺到吃午饭的时候。