Mdd
abbr. microgram per square decimeter per day 微克/分米/天（腐蚀速率单位）
🗣️ 情景例句
It was only a tummy ache.
仅仅是肚子有点痛。
I grew up right here in this neighborhood.
我恰好在这附近长大了。
Oh, sweaters.
羊毛衫。