Mdd
abbr. microgram per square decimeter per day 微克/分米/天（腐蚀速率单位）
🗣️ 情景例句
my career opportunities in Los Angeles.
我在Los Angeles的事业机会。
Do you have difficulty matching you feelings with words?
你是很难把自己的心意用言语表达吗？
As long ago as the fourteenth century,
早在14世纪，