M-l
[医][=Martin-Lewis(medium)]马丁-刘易斯（培养基）
🗣️ 情景例句
Let me tell you something, Robbie.
让我告诉你一件事 ，Robbie。
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。
Let's take a short break for lunch.
让我们休息一会儿，去吃午饭。