First, interpretation?
Teeth are Chinese characters, meaning human teeth, and also refer to the teeth of all animals. It can also be extended to something that looks like teeth in shape or arrangement. As a noun, teeth can refer to people's teeth, such as front teeth and canine teeth. It can also refer to the teeth of animals, such as horse teeth and tiger teeth; It can also be extended to things that look like teeth in shape or arrangement, such as gears and comb teeth.
As a verb, teeth can mean to bite, such as chewing and biting. It can also indicate age, such as tooth age and number of teeth. It can also indicate the arrangement, such as dentition, dentition, etc.
Second, the definition of word combinations
1. gear: a toothed mechanical part, usually used for rotation or transmission.
2. Dental caries: diseases caused by bacterial infection of teeth, resulting in cavities and pain in teeth.
3. Gear pump: an oil pumping device, which consists of two or more gears and is used to pump oil from a lower position to a higher position.
4. Toothed chain: a chain that transmits power, consisting of a series of toothed chain plates.
5. Tooth hole: a small hole in a stamp, used to tear the stamp.
Example sentences about teeth
1, his neat teeth, like elaborate mechanical gears, are shining with white light.
2. The rotation of gears seems to tell one historical story after another.
3. Dental caries are the enemy of oral health, so we should always protect our teeth.
4. The working principle of gear pump is to transport fluid by the rotation of gears.
5. The accuracy of the toothed chain is very high, and it needs regular maintenance.
6. The size and shape of perforations directly affect the use and collection value of stamps.
7. Oral health is an important part of general health, and attention should be paid to protecting teeth.
8. Gear plays an irreplaceable role in machinery manufacturing and is the cornerstone of industrial development.
9. Toothed chains are widely used in transmission systems, which can efficiently transmit power to various components.
10, brushing your teeth every day is a necessary measure to maintain oral hygiene and one of the habits of healthy living.