Mdd
abbr. microgram per square decimeter per day 微克/分米/天（腐蚀速率单位）
🗣️ 情景例句
Now I want to ask you a few questions, if you don't mind.
如果不介意的话，现在我想问你几个问题。
Until all is over one's ambition never dies.
不到黄河心不死。
You don't need anything special.
你不需要什么特别的东西。