Nerve 牙神经
The nerve is a very small part inside the middle of each tooth.
It travels through tiny tubes, starting from the tip of the tooth root.
The nerve helps you feel if something is hot, cold, or painful on your tooth.
Nerves also send messages to your brain when you bite or chew.
If a tooth nerve gets hurt or infected, the tooth may ache or feel very sensitive.
Dentists have special ways to check and treat problems with tooth nerves.
牙神经是位于每颗牙齿中间的非常细小的部分。
它沿着微小的管道，从牙根尖一直延伸进牙齿中。
牙神经可以让你感觉到牙齿接触到冷、热或疼痛。
咬东西或咀嚼食物时，牙神经还会把信息送到大脑。
如果牙齿的牙神经受伤或发炎，牙齿就会疼或者变得很敏感。
牙医有专门的方法来检查和处理牙齿神经的问题。
配套练习✍️ nerve /nɜːv/
🔍 完形填空（Cloze Test）
-
The nerve is a tiny part in the ______ of the tooth.
（a. outside / b. gum / c. middle） -
Nerves run through small ______ in the tooth root.
（a. tubes / b. leaves / c. rings） -
The nerve helps you feel things that are hot or ______.
（a. soft / b. cold / c. dry） -
Signals from the nerve travel to the ______.
（a. foot / b. brain / c. ear） -
Dentists can use special ______ to help with nerve problems.
（a. tools / b. shoes / c. games）
✅ 选择题（Multiple Choice）
-
What is one job of the tooth nerve?
A) To clean the tooth
B) To help you feel pain or cold
C) To keep the tooth white -
Where does the nerve start inside the tooth?
A) In the enamel
B) At the tip of the tooth root
C) In the gum -
What might happen if the nerve is damaged?
A) The tooth may hurt
B) The tooth gets longer
C) The tooth becomes yellow
✏️ 填空题（Fill in the Blanks）
-
The nerve sends messages to your ______ when you chew.
（可选答案：brain, hand, gum） -
Nerves help people feel if something is ______ on a tooth.
（可选答案：painful, tasty, round） -
Special ______ can check nerve problems in teeth.
（可选答案：methods, parks, glasses） -
If the nerve inside a tooth gets infected, the tooth often feels very ______.
（可选答案：sensitive, easy, empty）
练习答案✅
完形填空
- c. middle
- a. tubes
- b. cold
- b. brain
- a. tools
选择题
6. B) To help you feel pain or cold
7. B) At the tip of the tooth root
8. A) The tooth may hurt
填空题
9. brain
10. painful
11. methods
12. sensitive
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