Mdd
abbr. microgram per square decimeter per day 微克/分米/天（腐蚀速率单位）
🗣️ 情景例句
I care about new fixtures in the hallways--
我关心走廊的新灯具，
I hope it turns out all right.
我希望结果很好。
The doctor says that he will come at once.
医生说他马上就来。安迪，