| 词汇 | tooth |
| 词根词缀 | 词源： O.E. toð (plural teð), from P.Gmc. *tanth, *tunth (cf. O.S., Dan., Swed., Du. tand, O.N. tönn, O.Fris. toth, O.H.G. zand, Ger. Zahn, Goth. tunþus), from PIE *dont-/*dent- "tooth" (cf. Skt. danta, Gk. odontos, L. dens, Lith. dantis, O.Ir. 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. Toothache is attested from late 14c. Toothbrush is first recorded 1650s; toothpaste first attested 1832; toothpick is from late 15c. Toothsome "pleasant to the taste" is c.1565; the fig. sense of "attractive" (1550s) is a bit older. 词根记忆： n. (pl.teeth)牙齿;齿状物;By the spoon you'll soon see the smooth tooth of the moon above the booth.借助勺子你可以立刻看到电话亭上方月亮的光滑牙齿. |
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