Mdd
abbr. microgram per square decimeter per day 微克/分米/天（腐蚀速率单位）
🗣️ 情景例句
I'd love a cup of coffee.
我是想来杯咖啡。
Life is a battle from cradle to grave.
人生是一场从生到死的战斗。
Excuse me! Can you tell me the way to the museum, please?
劳驾！你能告诉我去博物馆怎么走吗？