有时,甜味的东西和暴露的牙本质的碰撞就会导致疼痛。而这一切都是因为你在科学课上的老朋友:渗透作用。Osmosis is the movement of something like water across a selectively permeable barrier. It goes from the side where there's less stuff dissolved to the side with more stuff.渗透是指像水这样的东...
Why do our teeth hurt? Our teeth are hard, like built-in knives and forks in our mouths. However, they still feel pain quite easily. Why are teeth so sensitive (敏感的) to pain? Tooth pain is a defense mechanism(防卫机制).1. It helps us notice we must do something to protect our...
百度试题 结果1 题目7. - Why do you hate your braces?-They hurt my teeth, and it's difficult for me A. eating B. to eat C. being eaten D. to be eaten 相关知识点: 试题来源: 解析 7.B 反馈 收藏
Sometimes your teeth hurt due to the common cold. If you experience a toothache along with other symptoms, here's how to deal with it.
So it doesn’t hurt to get a haircut. 同样道理,修剪指甲也不会疼。 然而,用力拽头发就感觉疼痛It hurts,这是为什么呢? 原来长在皮肤下的发根是有神经的, 神经会把疼痛的感觉传递给你的大脑, 使你意识到疼痛。 拽头发会疼,因为发根是有神经的。
Sometimes, the pain in your ear has nothing at all to do with your ear. Dental issues can be a source of ear pain. Those include: Toothabscesses Cavities Impacted molars Your doctor will be able to tell if your teeth are to blame by tapping on a tooth or your gums to see if they...
what hurt the most was not that she hit me was that after she hit me she didn't have the decency to hop back like like maybe something was gonna happen she knew nothing was gonna happen it's against the rules so not only did she get to blast me in the head she then got to do...
MOUSE: Oh, great Lion, please don’t hurt me. Please, let me go. LION: Why should I, Mouse? You’d make a yummy little snack! MOUSE: But someday you may need my help! LION: Ha-ha, ha-ha! What a laugh! You help me? What could a silly, scared little mouse do to help a...
Drug and alcohol abusers (酗酒者) struggle to give up the bad habits that hurt their bodies and destroy families and friendships. And many of us have unhealthy weight that we could lose if only we would eat right and exercise more. So why don't we do it?Some scientists have been ...
Teeth have three layers, only one of which—the innermost layer of the tooth—can hurt, as that layer of the tooth 33 both blood vessels and nerves. Pain is the only feeling to which the nerves in that layer respond. Whereas people with tooth sensitivity may complai...