Incisors 门牙
Incisors are the flat, sharp teeth at the very front of your mouth.
Each adult has four incisors in the top jaw and four in the bottom jaw.
We use incisors to bite into apples, sandwiches, and other foods that need a small, clean cut.
Incisors grow in first when children start getting their adult teeth, usually around age six or seven.
These teeth are important for biting off pieces of food before chewing them with the other teeth.
If an incisor is missing or hurts, biting into crisp fruit or bread becomes difficult.
门牙是你嘴巴最前面扁平锋利的牙齿。
每个成年人上下颌各有四颗门牙。
我们用门牙来咬苹果、三明治和其他需要轻松咬断的食物。
门牙是小孩换牙时最先长出的恒牙，通常在六到七岁左右。
门牙帮我们把食物咬成合适的小块，再用其他牙齿咀嚼。
如果门牙掉了或疼痛，像苹果和面包这样的食物会很难咬。
配套练习✍️ Incisors /ˈɪn.saɪ.zərz/
🔍 完形填空（Cloze Test）
-
Incisors are the ______ teeth at the front of your mouth.
（a. flat b. round c. pointed） -
Most adults have ______ incisors in total.
（a. four b. six c. eight） -
Incisors help you ______ into an apple or a sandwich.
（a. chew b. bite c. wash） -
The first adult teeth that grow in are usually the ______.
（a. molars b. incisors c. gums） -
If your incisor is missing, it can be hard to eat ______ foods.
（a. crunchy b. spicy c. soft）
✅ 选择题（Multiple Choice）
-
Where are incisors found?
A) In the back of the mouth
B) On the sides of the mouth
C) At the front of the mouth -
What do incisors do?
A) Bite off pieces of food
B) Make food sweet
C) Help you sleep -
At what age do most children get their adult incisors?
A) Around 2 years old
B) Around 6 or 7 years old
C) Around 13 years old
✏️ 填空题（Fill in the Blanks）
-
Incisors have a ______ edge to help cut food easily.
（选项：flat, heavy, smooth） -
We use incisors when we want to ______ into bread.
（选项：bite, carry, clean） -
Children’s first adult teeth are often their ______.
（选项：incisors, feet, eyes） -
Without incisors, eating an apple can be very ______.
（选项：hard, noisy, red）
练习答案✅
完形填空
- a. flat
- c. eight
- b. bite
- b. incisors
- a. crunchy
选择题
- C) At the front of the mouth
- A) Bite off pieces of food
- B) Around 6 or 7 years old
填空题
- flat
- bite
- incisors
- hard
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