| 单词 | upper |
| 释义 | Word Frequency upper(ˈʌpə) adjective 1. higher or highest in relation to physical position, wealth, rank, status, etc 2. (capital when part of a name) lying farther upstream, inland, or farther north the upper valley of the Loire 3. (capital when part of a name) geology, archaeology denoting the late part or division of a period, system, formation, etc Upper Palaeolithic 4. mathematics (of a limit or bound) greater than or equal to one or more numbers or variables noun 5. the higher of two objects, people, etc 6. the part of a shoe above the sole, covering the upper surface of the foot 7. on one's uppers 8. informal any tooth of the upper jaw 9. Also called (esp US): up slang any of various drugs having a stimulant or euphoric effect Compare downer |
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