单词：free gingival margin
单词：free gingival margin 相关文章
A Game of Cards By Norman Cousins Ever since I was old enough to read books on philosophy, I have been intrigued by the discussions on the nature of man. The philosophers have been debating for years about whether man is primarily good or primarily e
英语励志美文精华
Tax free --- duty free Tax cuts Income tax General-----generally speaking Federalist Type---kind---sort Typewriter----typist Salary---wage---income Earn money----earn a living Make money---make a livi
自考英语（一）78讲
我们今天再来给大家讲解两个以free这个字为主的习惯用语。首先我们要讲的是：Free and easy. 大家都知道，free是自由，或者是不用花钱就得到的。大家也可
美国习惯用语
Set me free why don't ya babe Get out of my life why don't ya babe 'cause you don't really love me You just keep me hangin'on Set me free why don't ya babe Get out of my life why don't ya babe You don't really need me But you keep me hangin'on Why do
美国偶像 American Idol
Young South Africans of Born-Free Generation Not All Keen to Vote 南非年轻一代并非都热衷于投票 JOHANNESBURG As general elections in South Africa approach, many young people who were born after the end of apartheid will vote for the firs
VOA标准英语2014年(五月)
MARY LOUISE KELLY, HOST: On page A23 of today's Washington Post you can find the last column Jamal Khashoggi wrote before he disappeared. Khashoggi went missing on October 2. It looks increasingly likely that he is dead, a reality President Trump ack
2018年NPR美国国家公共电台10月