| 词汇 | dot |
| 词根词缀 | 词源： O.E. dott "speck, head of a boil," perhaps related to tit "nipple." Known from a single source c.1000; the word reappeared with modern meaning "mark" c.1530; not common until 18c. Morse telegraph sense is from 1838. On the dot "punctual" is 1909, in reference to a clock dial face. Dot-matrix first attested 1975. 词根记忆： n. 点,圆点v.在…上打点I used to abuse the unusual usage, but now I'm not used to doing so.我过去常滥用这个不寻常的用法,但我现在不习惯这样做. |
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