Mdd
abbr. microgram per square decimeter per day 微克/分米/天(腐蚀速率单位)
🗣️ 情景例句
Butter, nice and cold and hard.
牛油 新鲜又冷又硬。
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
Last week, my four-year-old daughter, Sally, was invited to a children's party.
上周,我4岁的女儿萨莉被邀请去参加一个儿童聚会。
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