单词:fluoridebearing
单词:fluoridebearing 相关文章
Key Words [00:00.78]关键词 [00:01.57]The Most Common Expressions [00:02.90]最常用表达法 [00:04.23]That's OK.No reason to apologize. [00:09.21]没事儿,没什么好抱歉的。 [00:14.18]That's all right.Don't let it worry you. [00:19.04]没
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel
07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the
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
Sean: Okay, well, Im not going to get into a discussion about who deserved to get the job. Clearly , the person who was appointed was the right person for the job. What you need to do is look at your work and what youre doing and where thats taking
一.金额和币制(Amount and currency) 金额条款是信用证的核心内容,其表达方式有: Amount:USD........ 金额:......美元 FOR an amount(a sum)not exceeding total of USD ...总金额不超过....美元 Up to an aggregate amount of US
A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti
Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错,这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been
一般而言,男人会与比自己小的女人结婚,女人也乐于嫁给比自己大的男人 Men marry younger women and women prefer to marry older men, in general. But is it culture, genetics or the environment that drives such a choiceand i
SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo
今天我们要学的词是 fluoride. Fluoride 氟化物。The U.S. government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years. 美国政府50多年来首次降低饮用水建议添加的氟
今天我们要学的词是bearing. Bearing is spelled b-e-a-r-i-n-g, bearing. Bearing 意思是关系,意义。我们常用 to have bearing on something 意思就是同某事有关系,对某事有影响。The decision had much bearing on the way
1.One is always on a strange road, watching strange scenery and listening to strange music. Then one day, you will find that the things you try hard to forget are already gone. 1.一个人总要走陌生的路,看陌生的风景,听陌生的歌,然
1.一个人总要走陌生的路,看陌生的风景,听陌生的歌,然后在某个不经意的瞬间,你会发现,原本是费尽心机想要忘记的事情真的就那么忘记了。 1.One is always on a strange road, watching strange sce
一个人总要走陌生的路,看陌生的风景,听陌生的歌,然后在某个不经意的瞬间,你会发现,原本是费尽心机想要忘记的事情真的就那么忘记了。 One is always on a strange road, watching strange scenery
Only a dad with a tired face, Coming home from the daily race, Bringing little of gold or fame, To show how well he has played the game, But glad in his heart that his own rejoice To see him come and to hear his voice. 只是个面带倦容的父亲,