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A lot of people have had impacted third molars. Third molars produce a lot of chronic pain. Alan Mann, a Prinston University physical anthropologist at the annual meeting of the American Association for the Advancement of Science in Boston on Februar
Scientific American(二)月
Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗？ If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的，我想蛀了也没有关
口腔临床英语对话
坚持不懈，直到成功。 我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰
四六级词汇与结构练习
[0:0]forecast预测,预报 [0:9.3863]forehead forge formal format额,前额 伪造,假冒 正式的,正规的 设计,安排,格式 [0:53.3893]formation former formula forth形式,组成,结构 在前的,以前的 原则,方案 向前,往外 [1:40.5131]fortnight fortunately foundation fractio
闭着眼睛飘单词 四级词汇
Whose are these? 这些是谁的？They are mine. Do you want some? 是我的。你想要一些吗？Sure. Where did you get them? 好啊。你从哪里买的？I went to the market yesterday. 我昨天去了市场。They must be good apples. 这些苹果
大家说英语
That if your vocabulary is limited your chances of success are limited. That one of the easiest and quickest ways to get ahead is by consciously building up your knowledge of words. The the vocabulary of the average person almost stops growing by the
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