dentine

/ˈdɛnˌtin/ /ˈdɛnˌtaɪn/

Meanings

noun

牙本质，齿质

The hard, dense calcareous material that makes up the bulk of a tooth

Examples :

"The dentist explained that the cavity had reached the dentine, which is why my tooth was so sensitive. "

牙医解释说，蛀牙已经蛀到牙本质了，牙本质是构成牙齿主体部分的坚硬物质，所以我的牙齿才会这么敏感。

Related Words

reached verb

/ɹiːtʃt/

伸出, 延伸

"He reached for a weapon that was on the table."

他伸手去拿放在桌上的武器。

dense noun

/dɛns/

茂密的灌木丛，丛林。

"The hikers struggled through the dense of bushes, trying to find a clearer path. "

徒步者们艰难地穿行在茂密的灌木丛中，试图找到一条更清晰的小路。

cavity noun

[ˈkʰævɪɾi]

洞，窟窿。

"The dentist found a small cavity in my tooth. "

牙医发现我牙齿里有个小蛀洞。

sensitive noun

/ˈsɛnsɪtɪv/

敏感体质，灵异体质

"My sister has a sensitivity to subtle changes in the weather; she can feel an approaching storm hours before anyone else notices. "

我妹妹有灵异体质，对天气的细微变化非常敏感；暴风雨来临前好几个小时，她就能感觉到，而其他人根本毫无察觉。

material noun

/məˈtɪəɹɪəl/ /məˈtɪɹi.əl/

材料，材质

"Asphalt, composed of oil and sand, is a widely used material for roads."

沥青是由石油和沙子组成的，是一种广泛使用的道路材料。

hard noun

/hɑːd/ /hɑɹd/

硬滩，硬地。

"The boat was hauled out of the water using the nearby hard. "

船是被拖到附近那片便于拖船上岸的硬滩上去了。

calcareous adjective

/kælˈkeɪriəs/ /kælˈkɛəriəs/

含钙的，石灰质的

"The soil in this region is very calcareous, making it ideal for growing grapes used in wine production. "

这个地区的土壤含钙量很高，呈石灰质，非常适合种植酿酒葡萄。

tooth noun

/tuːθ/ /tʊθ/

牙齿，牙。

"The dog lost a tooth while chewing on a bone. "

那只狗在啃骨头的时候掉了一颗牙。

explained verb

/ɪkˈspleɪnd/

解释，说明，阐明。

"To explain a chapter of the Bible."

解释《圣经》的一章.

dentist noun

/ˈdɛntɪst/

牙医，口腔医生

"My sister goes to the dentist every six months for a checkup and cleaning. "

我妹妹每六个月去看一次牙医，做个检查和清洁。

which pronoun

/wɪt͡ʃ/

哪个，哪些

"By now, you must surely know which is which."

到现在，你肯定应该知道哪个是哪个了吧。

makes noun

/meɪks/

品牌，型号。

"What make of car do you drive?"

你开的是什么牌子的车？