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  1. Oxford Dictionary

    R

    • IPA[ɑː]

    英式

    • abbr
      rand；(in names of sports clubs) Rangers or Rovers
    • symbol
      an unspecified alkyl or other organic radical or group.；electrical resistance.
    • 釋義
    • 相關詞

    abbr

    • 1. rand a farm worth nearly R1,3 million
    • 2. (in names of sports clubs) Rangers or Rovers Berwick R Featherstone R
    • 3. Réaumur (a temperature scale, now obsolete) 198.6 °R
    • 4. Regina or Rex Elizabeth R
    • 5. registered as a trademark.
    • 6. (in the US) Republican.
    • 7. North American (in film classification) restricted (denoting films restricted to viewers over a certain age).
    • 8. (on a gear shift) reverse.
    • 9. River (chiefly on maps).
    • 10. roentgen(s).
    • 11. Romania (international vehicle registration).
    • 12. rook (in recording moves in chess) 21.Rh4
    • 13. (on scorecards) run(s).

    symbol

    • 1. an unspecified alkyl or other organic radical or group.
    • 2. electrical resistance.
    • 3. the gas constant.

    R & R

    • abbr
      rest and recreation.

    Oxford American Dictionary

    R & R

    • abbr
      rest and recreation.

    Oxford Dictionary

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    R

    • IPA[är]

    美式

    • abbr
      rand: a farm worth nearly R1,3-million
    • symbol
      an unspecified alkyl or other organic radical or group.

    Oxford American Dictionary

    r

    • IPA[ɑː]

    英式

    • abbr
      recto.
    • symbol
      radius: 2πr

    Oxford Dictionary

    r

    • IPA[ɑːr]

    美式

    • abbr
      recto.
    • symbol
      radius: 2πr

    Oxford American Dictionary

    R

    • IPA[ɑː]

    英式

    • n.
      the eighteenth letter of the alphabet.

    Oxford Dictionary

    R

    • IPA[är]

    美式

    • n.
      the eighteenth letter of the alphabet.

    Oxford American Dictionary

    R

    • n.
      a figure expressing the rate at which an infectious disease spreads, taken as the average ... there are lots of things we can do to reduce R, including reducing our social contacts by continuing social distancing he warned that an increase in the R number would see a rapid escalation of cases

    Oxford American Dictionary

    R

    • n.
      a figure expressing the rate at which an infectious disease spreads, taken as the average ... there are lots of things we can do to reduce R, including reducing our social contacts by continuing social distancing he warned that an increase in the R number would see a rapid escalation of cases

    Oxford Dictionary