Teeth have a hard surface layer called enamel.
牙齿有一层叫做釉质的坚硬表层。
Made from cast iron, it is finished in graphite enamel.
该物由铸铁制成，表面以石墨搪瓷抛光。
The other kept munching scented pastilles, which he took with an affected gesture out of an oval box of lilac enamel.
另一个则装腔作势地自一个椭圆的淡紫色珐琅盒子里取出一剂芳香含片来，大嚼特嚼。
Another lasting symptom commonly is enamel hypoplasia.
另一个持久的症状通常是牙釉质发育不全。
In more severe cases, all the enamel may be damaged.
较为严重者，所有珐琅都可能受到损害。
Tooth enamel analysis revealed they ate fruit, nuts and leaves.
—经牙釉质分析后显示，他们以水果，坚果和树叶为食。
All of a sudden there was nail enamel in these strange colors.
她突然之间拥有很多新奇色彩的指甲油。
An analysis of her tooth enamel suggests she ate fruit, nuts and leaves.
通过对牙釉质分析，她以水果，坚果及树叶为食。
First, fluoride makes your tooth enamel stronger and less likely to suffer acid damage.
首先，氟能够使你牙齿的釉质更坚固，同时降低酸性的腐蚀程度。
While evidence that bleaching erodes enamel is inconclusive, it may increase sensitivity.
“太多次就会产生伤害。”虽然漂白侵蚀珐琅质的证据不够充分，但是这也许会增加敏感性。
Coffee bean stained floors contrast with 'Hibiscus' walls and high gloss white enamel ceilings.
咖啡豆染色的地板，与“芙蓉”墙壁和挑高的高明亮白色搪瓷天花板形成对比。
But if the decay continues and breaks through the surface of the enamel, the damage is permanent.
但是如果龋坏继续进行穿过表面的牙釉质，将会形成永久性损害。
"Your dentist can see if you're grinding, because areas of the tooth enamel will be worn smooth."
“你的牙医可以检查出你有没有磨牙，因为牙齿珐琅质的磨损区会是光滑的。”
Bacteria living on teeth convert sugar into lactic acid, which erodes enamel and causes tooth decay.
牙齿表面的细菌会把糖转变成乳酸，腐蚀珐琅质并导致蛀牙。
This factory produces China′s traditional hand craft：cloisonne，or Beijing enamel，as it is called.
这个厂主要生产我国传统工艺品：景泰蓝制品，也叫北京烧瓷。
Rinse after a few minutes, because long-term exposure to the acid in the lemon can harm tooth enamel.
几分钟之后用清水漱口，因为长期接触柠檬酸对牙釉质有伤害。
photo above: This enamel-topped table has funny little squirrels peeking out throughout the design.
上图：瓷面桌上面有很多探出头来的小松鼠，煞是可爱。
The real light comes from the fire, at the bottom of a small stove adorned with yellow and green enamel.
真正的光源是炉底的火，小小的炉灶上涂着黄色绿色的釉彩。
If you have dry mouth, Dr. Jones recommends using a fluoride rinse at night, which can help protect the enamel.
如果你口干，Dr .Jones建议晚上使用含氟漱口水，保护珐琅质。
Their technique measures the warping of tooth enamel inflicted by radiation, detected in electron paramagnetic resonance.
他们使用电子顺磁共振测定了辐射对牙釉质的影响。
Oxygen and strontium isotopes, which are fixed in dental enamel at the time of tooth formation, were tested in 18 subjects.
在18件样本上检测了氧和锶的同位素。这两种元素在牙齿成型时，会固定在牙釉质上。
But the high sucrose content of orange juice attacks the enamel on your teeth and can increase the risk of Type 2 diabetes.
不过桔子汁高蔗糖含量会损坏牙齿的珐琅质，也能增加患2型糖尿病的风险。
The tooth also had all the components of normal teeth, including enamel, crown and root, and connective fibers to fix it to bone.
培育的牙齿还具备正常牙齿的所有组成成分，包括釉质、齿冠和牙根，以及使其固定于骨头的结缔组织纤维。
The tooth also had all the components of normal teeth, including enamel, crown and root, and connective fibers to fix it to bone.
培育的牙齿还具备正常牙齿的所有组成成分，包括釉质、齿冠和牙根，以及使其固定于骨头的结缔组织纤维。
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