好词典

dentine

UK //ˈdɛntiːn//US //ˈdɛntiːn//

词源

源自拉丁语 'dentin-'(牙齿的),词根为 'dens'(牙齿)

noun

❶ 牙本质,牙齿的主要组成部分之一,位于牙釉质下方,比牙釉质柔软,含有微小管道连接牙髓。

“Dentine is sensitive to temperature changes.”

(牙本质对温度变化很敏感。)

“The dentist said the decay had reached the dentine.”

(牙医说蛀牙已经侵蚀到牙本质了。)

同义词:dentin, tooth dentin, ivory layer

常见短语

dentine hypersensitivity — 牙本质过敏,指牙本质暴露后对冷热酸甜等刺激产生的短暂尖锐疼痛。

“Special toothpaste can relieve dentine hypersensitivity.”

(专用牙膏可以缓解牙本质过敏。)