好词典

incisors

UK //ɪnˈsaɪ.zəz//US //ɪnˈsaɪ.zɚz//

词源

源自拉丁语 'incidere'(意为切割),通过法语 'inciseur' 演变而来,指用于切割的牙齿。

noun

❶ 门牙,指位于口腔前部的扁平牙齿,主要用于切割食物。人类通常有上下各四颗门牙。

“The rabbit's incisors are constantly growing.”

(兔子的门牙会不断生长。)

“He chipped his front incisor while playing hockey.”

(他在打曲棍球时磕到了前门牙。)

同义词:front teeth, cutting teeth, anterior teeth

常见短语

upper incisors — 上门牙,特指上颌前部的切牙,在微笑时最显眼的位置。

“Her upper incisors were perfectly aligned after braces treatment.”

(经过牙套矫正后,她的上门牙排列得非常整齐。)

lower incisors — 下门牙,位于下颌前部,通常比上门牙小而窄。

“The dentist recommended flossing between the lower incisors daily.”

(牙医建议每天用牙线清洁下门牙之间的缝隙。)