doctor cloud意思是云博士。
重点词汇：
cloud 云 ; 云朵 ; 云状物。读音：英 [klaʊd] 美 [klaʊd]
doctor 医生；大夫；诊所；博士；（作头衔或称呼）牙医。读音：英 [ˈdɒktə(r)] 美 [ˈdɑːktər]
例句：
1、Oxford University conferred the title of doctor on him.
牛津大学授予他博士头衔。
2、The degree of doctor of philosophy is awarded to him.
他被授予哲学博士学位。
3、He eventually obtained a doctor's degree and thus had his wish fulfilled.
最后他拿到了博士学位，总算如了愿。