Bicuspids 前臼齿
Bicuspids are teeth between the canines and the molars in your mouth.
Adults usually have eight bicuspids, with four on the top and four at the bottom.
People use bicuspids to crush and grind food, making it easier to swallow.
The top of a bicuspid often has two points or tips.
Bicuspids are not as sharp as canines and not as flat as molars.
These teeth work with others to help break food into small pieces for chewing.
前臼齿是位于犬牙和磨牙之间的牙齿。
成年人通常有八颗前臼齿，上排和下排各四颗。
人们用前臼齿压碎和磨细食物，让吞咽更轻松。
前臼齿的顶部一般有两个小尖。
前臼齿不像犬牙那样尖，也不像磨牙那样平。
这些牙齿和其他牙齿配合，把食物分成小块便于咀嚼。
配套练习✍️ bicuspid /baɪˈkʌs.pɪd/
🔍 完形填空（Cloze Test）
-
Bicuspids are found ______ the canines and molars.
（a. beside b. between c. behind） -
Most adults have ______ bicuspids altogether.
（a. six b. eight c. two） -
Bicuspids help break food into ______ pieces.
（a. hard b. soft c. small） -
A bicuspid tooth often has ______ tips.
（a. two b. five c. one） -
The shape of bicuspids makes them good for ______ food.
（a. brushing b. grinding c. coloring）
✅ 选择题（Multiple Choice）
-
What is another name for bicuspids?
A) Baby teeth
B) Premolars
C) Front teeth -
What is true about the top of a bicuspid?
A) It is flat
B) It has two tips
C) It is very pointy -
What do bicuspids do with food?
A) Swallow it whole
B) Cut it into lines
C) Crush and grind it
✏️ 填空题（Fill in the Blanks）
-
Bicuspids are located between the ______ and the molars.
（可选答案：canines, lips, gums） -
Adults have ______ bicuspids in the bottom row.
（可选答案：four, three, six） -
The top of a bicuspid tooth usually has ______ points.
（可选答案：two, seven, four） -
Crushing and ______ food is a job for the bicuspids.
（可选答案：grinding, singing, moving）
练习答案✅
完形填空
- b. between
- b. eight
- c. small
- a. two
- b. grinding
选择题
6. B) Premolars
7. B) It has two tips
8. C) Crush and grind it
填空题
9. canines
10. four
11. two
12. grinding
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