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GRE Barron


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[编辑] GRE 红宝书

  • v. 使相等, 使平衡; n. 泰然自若, 信心
  • [英] v. 使相等, 使平衡 ( to hold in equilibrium) ; n. 泰然自若, 信心 ( easy self-possessed assurance of manner)
  • [例] He is cool and poised. ( 他冷静沉着)

[编辑] Webster Collegiate

I. verb (poised; poising)

  • Etymology: Middle English, to weigh, ponder, from Anglo-French peiser, poiser, from Latin pensare — more at pensive
  • Date: 1598
  • transitive verb
    • 1.
      • a. balance; especially to hold or carry in equilibrium <carried a water jar poised on her head>
      • b. to hold supported or suspended without motion in a steady position <poised her fork and gave her guest a knowing look — Louis Bromfield>
    • 2. to hold or carry (the head) in a particular way
    • 3. to put into readiness ; brace
  • intransitive verb
    • 1. to become drawn up into readiness
    • 2. hover

II. noun

  • Etymology: Middle English poyse weight, heaviness, from Anglo-French peis, pois, from Latin pensum, from neuter of pensus, past participle of pendere to weigh — more at pendant
  • Date: 1649
  • 1. a stably balanced state ; equilibrium <a poise between widely divergent impulses — F. R. Leavis>
  • 2.
    • a. easy self-possessed assurance of manner ; gracious tact in coping or handling; also the pleasantly tranquil interaction between persons of poise <no angry outbursts marred the poise of the meeting>
    • b. a particular way of carrying oneself ; bearing, carriage
  • Synonyms: see tact

III. noun

  • Etymology: French, from Jean Louis Marie Poiseuille died 1869 French physician and anatomist
  • Date: 1913
  • a centimeter-gram-second unit of viscosity equal to the viscosity of a fluid that would require a shearing force of one dyne to impart to a one-square-centimeter area of an arbitrary layer of the fluid a velocity of one centimeter per second relative to another layer separated from the first by a distance of one centimeter

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