缩写的“Dr”或“Dr.”，是对获得博士学位的人的称呼。It is until the early 19th century the physician started using the doctor title， regardless whether they hold the doctorate or not . This matter has already been brought to WHO， that decides the title doctor granted to them as honorary calling because of their job contribution.
单词doctor到底是表示博士，还是表示医生，相信许多小伙伴都有这样的一个疑问?例如，Press Tab key to switch between documents on screen.按Tab键可以在屏幕上的文件之间进行切换。
意见提出，到2035年，家庭医生签约服务覆盖率达到75%以上。China will expand family doctor services to cover at least 75 percent of its population by 2035， according to a guideline jointly issued by six government departments， including the National Health Commission.
词源:helium 1868， coined from Greek hēlios “sun” ， because the element was detected in the solar spectrum during the eclipse of Aug. 18， 1868， by English astronomer Sir Joseph N. Lockyer and English chemist Sir Edward Frankland . It was not actually obtained until 1895;
单词巩固1 what [hwɔt] pron 什么2 is [iz] v 是3 what's [hwɔts] what is 的缩写形式4 your [juə] pron 你的,你们的5 name [neim] n 名字6 my [mai] pron 我的7 I
一、COLOUR (颜色)1blue 蓝色（的）2green 绿色（的）3red 红色（的）4yellow黄色（的）5orange橘色（的）6purple紫色（的）7white 白色（的）8black 黑色（的）9brown 棕色（的）二、SCHOOL (学校)10school
请家长朋友大概了解词源:From Middle High German über， from Old High German ubiri， ubari， from Proto-Germanic ubiri， from Proto-Indo-European upéri， from upér . Cognate with Ancient Greek ὑπέρ ， Latin super .
