牙本质牙釉质的

国家地理:Octopus Loses Arm 章鱼逃命大法

Here in the Timor Sea off northern Australia, take a look at a creature that seems to have the soul of a riverboat gambler. It moves through turf dominated by large hungry predators, and it fights these predators in a way that will astound you. This

发表于:2018-12-30 / 阅读(57) / 评论(0)

国家地理2007年

英伦广角激光可帮助啮齿类动物受损的牙齿再次生长

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(75) / 评论(0)

英伦广角

美国国家公共电台 NPR 'Love, Simon' Is Your Typical Glossy, Hollywood, Teenage, Gay Rom-Com

LULU GARCIA-NAVARRO, HOST: Love, Simon, is your typical teenage rom-com - a boy, a mystery love interest, misunderstandings, treachery and, of course, annoying and goofy teachers. The title character, Simon, is, in fact, deliberately typical. (SOUNDB

发表于:2019-01-16 / 阅读(59) / 评论(0)

2018年NPR美国国家公共电台3月

U.S. singer Fergie expects her first child

BEIJING, Feb. 19 (Xinhuanet) -- U.S. pop group Black Eyed Peas singer Fergie said on Monday that she is is pregnant. Josh Me BABY makes three!!!, she tweeted. She also shared superimposed pictures of herself and her actor husband Josh Duhamel as chil

发表于:2019-02-18 / 阅读(36) / 评论(0)

英语新闻

英语听力文摘 English Digest 177、保护牙齿

Getting Rid Of Cavities 牙痛是继续忍受还是提前做好防护?爱护牙齿，每天的必修课。 M:Sorry,I'm late.I was brushing my teeth. W:Brushing your teeth?Right before 'A Moment Of Science'? Why? M:I'm trying to get rid of a cavity. W

发表于:2019-02-24 / 阅读(59) / 评论(0)

英语听力文摘 English Digest

口腔临床英语对话第9期:有关龋齿的解释(2)

Enamel is the hard outer tooth layer. 牙釉质是牙齿坚硬的外层。 The cavity gets larger by entering the softer second tooth layer, the dentin. 蛀牙洞到了牙齿的较软的第二层，也就是牙本质时，龋洞就会变得大的多。

发表于:2019-02-27 / 阅读(102) / 评论(0)

口腔临床英语对话

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Almon scheme of polynomical lag

amount of trade receivable