Mdd
abbr. microgram per square decimeter per day 微克/分米/天（腐蚀速率单位）
🗣️ 情景例句
How'd you do it?
是如何办到的？
Please be serious for a minute, this is very important.
请严肃点，这件事很重要。
The men took him in their boat to the castle on the coast where he was now held prisoner.
这些人用船把他送到海岸上的城堡里，如今他被囚禁在这儿。