M. e. d.
[医] 最小红斑量, 最小有效量
🧩 词语组成解析
[医] 电子\\n[经] 东
🗣️ 情景例句
I really must be going now.
现在我真的该告辞了。
We've got to get a refrigerator for the kitchen.
我们必须有一个电冰箱放在厨房。
They can't pick up the small pieces with their fingers.
他们用手指拿不起小零件。