a licensed medical doctor

• postnominal title for the Doctor of Medicine degree

执业医生

• 医学博士学位的名后缩写

managing director of a company

• chief executive role in many countries

公司总经理

• 在许多国家的最高管理职位

abbreviation for medical device

医疗器械的缩写

MiniDisc, a small optical audio disc format

迷你光盘，一种小型音频光盘格式

Marine detachment; small Marine Corps unit aboard a ship

海军陆战队分遣队；舰上小型编制

macular degeneration, an eye disease affecting central vision

黄斑变性，一种影响中央视力的眼病

postal abbreviation for Maryland, a U.S. state

美国马里兰州的邮政缩写

magnetodynamic; relating to magnetic forces and motion

磁动力学的；与磁力和运动相关

abbreviation for magnetodynamics

磁动力学的缩写