tooth是什么意思(解释)?
2024-08-07 09:11:08tooth是指人或动物嘴里用来咀嚼食物的硬质结构,通常生长在上下颌骨内。它们帮助我们咀嚼食物,使其更容易被消化吸收。在人类身体中,牙齿也起着美化面部外观和发音的作用。
用法:
tooth作为名词使用时,常用复数形式teeth。它可以单独使用,也可以与其他词组合成不同的短语。:
1. brush one's teeth:刷牙
2. have a toothache:牙痛
3. baby teeth:乳牙
4. wisdom teeth:智齿
5. tooth decay:蛀牙
例句:
1. He brushed his teeth before going to bed.
他睡前刷了牙。
2. My tooth hurts, I think I need to see a dentist.
我的牙疼,我想我需要看牙医。
3. Babies usually start teething at around six months old.
婴儿通常在六个月大左右开始长牙。
4. My wisdom teeth are causing me a lot of pain, I might need to get them removed.
我的智齿让我很痛苦,我可能需要拔掉它们。
5. Poor oral hygiene can lead to tooth decay and other dental problems.
不良的口腔卫生习惯会导致蛀牙和其他牙齿问题。
同义词及用法:
1. fang:尖牙,多指动物的尖锐牙齿
2. incisor:门牙,前面的四颗牙齿,用来切割食物
3. molar:臼齿,后面的大型牙齿,用来咀嚼食物
4. canine:犬齿,多指动物的长而尖锐的牙齿
5. dentition:牙列,指人或动物口中的全部牙齿
例句:
1. The vampire bared his sharp fangs.
吸血鬼露出他锋利的尖牙。
2. She had her incisors straightened with braces.
她通过矫正器让她的门牙变直。
3. The dentist recommended removing the impacted molar.
牙医建议拔掉受压迫的臼齿。
4. The dog's canines were used for hunting and tearing meat.
这只狗的犬齿被用来捕猎和撕裂肉类。
5. The scientist studied the dentition of different species of animals.
科学家研究了不同动物种类的牙列。