rd

FREQ #19196

词形变化

rds 复数 rds

别名

rd.

释义与例句

n.
  1. 1.

    Abbreviation of road.

  2. 2.

    Symbol for rad (unit of measure for absorbed dose of radiation).

    Near-synonym: cGy (same physical quantity)

  3. 3.

    Abbreviation of round.

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