| 词汇 | upper |
| 词根词缀 | 词源： upper (adj.) c.1300, originally comparative of up. Cf. M.Du. upper, Du. opper, Low Ger. upper, Norw. yppare. Noun meaning "part of a shoe above the sole" is recorded from 1789; sense of "stimulant drug" is from 1968. Upper crust is attested from 1460 in ref. to the top crust of a loaf of bread, 1836 in ref. to society. The pugilistic uppercut is first recorded 1842. Upper hand "advantage" is 1481, probably from wrestling. Upperclassman is recorded from 1871. Upper middle class (adj.) is first recorded 1872. 词根记忆： a. 上面的;上部的,较高的The upset supplement supplier went up with the puppet to the upper room for supper.心烦意乱的增刊供给者与傀儡一起到上面的房间吃晚餐. |
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