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...
Why do my teeth hurt after whitening? If this question is putting a damper on your newly white smile, you’re not alone. More than 6 in 10 people will experience tooth sensitivity after teeth whitening. Fortunately, there are many simple ways to deal with this annoying – and painful – ...
A. Because his teeth hurt badly.B. Because it was very cold outsideC. Because he ran fast for a very long time 相关知识点: 试题来源: 解析 C 选项A提到牙痛,但牙痛通常不会导致脸部发红,反而可能因疼痛引起脸色苍白或其他症状。选项B指出天气寒冷,虽然冷空气可能导致皮肤泛红(尤其是脸颊),但通常...
I love chocolate. 小朋友喜欢糖果,因为它为身体提供能量。 Childrenlove candybecause it provides energy for the body. 小朋友吃糖果时会感到快乐和放松。 Childrenfeel happy and relaxedwhenthey eat candy. 吃太多高糖食物会导致健康问题。 Eatingtoo many high sugar foods can cause health problems. ...
2.What does your dad want?3.He doesnt brush his teeth every day. 4.Tom never flies a kite in the street. ...
( )54. Why did the boy lock the lion in the cage? A. Its big teeth would hurt hum B. It felt good in the cage C. He was afraid it would leave D. He didn't think it was his friend)55. What happened after the boy opened the wolf't cage A. The wolf ran away. B. The...
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Why does the inside of my ear hurt when I touch it? In children, the most common cause of ear pain is an ear infection. Adults are less likely to get ear infections. If your ear hurts when you touch it, you may have an upper respiratory infection caused by a virus or bacteria. Oth...
a我妈妈就说是地震,当时的我就飞快的跑下楼。 My mother said is the earthquake, I then on very fast paoxia building.[translate] a最近牙疼的厉害,要是不治一治可能会说漏嘴。所以嘛… 正在翻译,请等待...[translate]