in come the new. Sam is growing up, And so are you. 他很爱惜自己的牙齿。 恒牙会陪伴他一生。 旧的牙一掉, 新的牙就长出来了。 Sam在长大, 你也是。 Many of Sam's friends have loose teeth. Lucy can wiggle her lower front ...
If you're looking for a new toothpaste, theRegenerate Enamel Science Advanced Toothpastehas over 200 glowing reviews. Fuelled by clinically proven, patented NR-5™ technology based upon years of extensive research, the toothpaste recreates the mineral that tooth enamel is made of, working to rev...
It is made up of around 700 different species of bacteria, the second-greatest diversity in the human body after the gut, as well as a host of fungi and viruses. “They are living in the sticky film stuck to the teeth and also to the soft tissues,” says Hirschfeld. “This sticky ...
make up 的意思就太多了,比如“和解,言归于好”、“组成,构成”、加上个连字符是指“化妆品”、后接to sb 是“巴结某人”、后接 for 是“补偿,弥补”... 而除这些之外make something up还有“编造”的含义。 I made up an exc...
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根据第一段的Spider(蜘蛛)silk,which is five times stronger than steel,no longer holds the record as the strongest material found in nature.Scientists have discovered that the teeth of a limpet (帽贝) are made of even tougher material表示"虽然蜘蛛丝的强度是钢的五倍,但是它不再是自然界中最坚固...
New results of a clinical trial in China, jointly led by Penn Dental Medicine researchers and Chinese colleagues, suggest that there is a more promising path for treating these types of childhood injuries: using stem cells from the patient's baby teeth. Stem Cells From Baby Teeth Regrow Dental...
Elseri says he came up with the idea ___ he was driving home after a long day at work. His ___ is a toothbrush that goes onto your tongue (舌) T2T has special edges (边缘) and toothpaste. So just ___ your tongue over your teeth and it cleans your teeth just like a toothbrush...
This second, or permanent, dentition is made up of incisors, canines, and premolars; as a rule only one premolar is replaced in marsupials. Although the molars erupt late in development and are permanent, that is, not replaced, they are part of the first, or deciduous, dentition. McGraw-...
skin of your teeth The narrowest of margins. Job 19:20 has its protagonist say, “I am nothing but skin and bones; I have escaped with only the skin of my teeth.” That is to say, Job's gums, the skin that held his teeth in place, which would indeed have been a narrow margin...