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...
—I’ve lost the new bike ___ my dad bought for me on my birthday.A.whichB.whoC.what 免费查看参考答案及解析 题目: 听下面一段较长对话,回答以下小题。【1】Why does Betty make the appointmentA.To have a dental checkup.B.To get her teeth cleaned.C.To get medicine for her headache...
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
So it doesn’t hurt to get a haircut. 拽头发会疼,因为发根是有神经的。 Pulling hair hurts because the root of the hairhas nerves. 重点单词及短语 haircut n./ˈheə(r)ˌkʌt/理发 hurt v. /hɜː(r)t/ (使)感到疼痛
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.
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...
For if you use your sting, it shall remain in the wound you make,and then you will die from the loss of it." Evil wishes, like chickens, come home to roost. The Milk-Woman and Her Pail A FARMER'S daughter was carrying her Pail of milk from the fieldto the farmhouse, when she ...
cuz they make it fabulous right they can't reproduce so then I'm making more in the way people walking around wonderful for the environment God's lesson but how far does political correctness go that I got a look at some shit that's making my brain go like fuck the look away right ...
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...