记忆方法
将“Dr”这个缩写与医生（doctor）职业联系起来，想象一个医生在穿着白大褂、手持听诊器，显示出权威和专业，从而帮助记忆“Dr”是表示医生（doctor）或博士（doctorate）等头衔的缩写。
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权威例句
- 1. Dr. Johnson and I have been trying to build him up physically.
- 约翰逊医生和我一直试图增强他的体质。
- 2. Poor Dr Pegler got terribly behindhand with his appointments.
- 可怜的佩格勒博士大大落后于当初的约定。
- 3. Dr Ryan travelled the world gathering material for his book.
- 瑞安博士周游世界为他的书搜集资料。
- 4. An American judge yesterday dismissed murder charges against Dr Jack Kevorkian.
- 昨天一个美国法官驳回了对杰克·凯沃尔基安医生的谋杀指控。
- 5. Dr. Mesibov set forth the basis of his approach to teaching students.
- 梅西伯夫博士阐述了他的教学方法的基础。