| 词汇 | unit |
| 词根词缀 | 词源： 1570, "single number regarded as an undivided whole," alteration of unity on the basis of digit. Popularized in John Dee's Eng. translation of Euclid, to express Gk. monas (Dee says unity formerly was used in this sense). Meaning "single thing regarded as a member of a group" is attested from 1642. Extended sense of "a quantity adopted as a standard of measure" is from 1738. Sense of "group of wards in a hospital" is attested from 1893. 词根记忆： n. 单位,单元;部件,元件;机组,装置For unity the units united into a unique union.为了统一,这些单位联合成一个独特的联盟. |
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