tooth

英 [tuːθ] 美 [tuθ]
  • n. 牙齿
  • vt. 给……装齿
  • vi. 啮合
  • n. (Tooth)人名;(英)图思
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tooth 牙齿

来自古英语 toth(plural teth,),来自 Proto-Germanic*tan-thuz,来自 PIE*dent,牙齿,来自*ed,吃, 咬,词源同 eat,edible,-ent,现在分词格。

tooth
tooth: [OE] Etymologically, a tooth is an ‘eater’. Its ultimate source is the prehistoric Indo- European base *ed- ‘eat’, which also lies behind English eat and edible. From this was formed the noun *dont-, *dent- ‘tooth’, whose descendants include Latin dēns ‘tooth’ (source of English dentist, indent, trident [16], etc), Greek odón ‘tooth’, (source of English odontology [19]), Welsh dant ‘tooth’, and prehistoric Germanic *tanthuz. This evolved into German zahn, Dutch, Swedish, and Danish tand, and English tooth. A variant of *tanthuz may lie behind English tusk.
=> dentist, eat, edible, indent, odontology, trident, tusk
tooth (n.)
Old English toð (plural teð), from Proto-Germanic *tan-thuz (cognates: Old Saxon, Danish, Swedish, Dutch tand, Old Norse tönn, Old Frisian toth, Old High German zand, German Zahn, Gothic tunþus), from PIE *dent- "tooth" (cognates: Sanskrit danta, Greek odontos, Latin dens, Lithuanian dantis, Old Irish det, Welsh dent). Plural form teeth is an instance of i-mutation.

Application to tooth-like parts of other objects (saws, combs, etc.) first recorded 1520s. Tooth and nail as weapons is from 1530s. The tooth-fairy is attested from 1964.
1. A dentist may decide to extract the tooth to prevent recurrent trouble.
牙医可能会决定拔掉那颗牙,以免反复发作。

来自柯林斯例句

2. When not removed, plaque causes tooth decay and gum disease.
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。

来自柯林斯例句

3. He fought tooth and nail to keep his job.
他竭尽全力保住自己的工作。

来自柯林斯例句

4. I got an abscess so he took the tooth out.
我牙龈脓肿,所以他就把那颗牙拔掉了。

来自柯林斯例句

5. We went over that area with a fine-tooth comb.
我们对那个地区进行了彻底的搜查。

来自柯林斯例句