rolling
 (a.)旋轉的,波動的,起伏的旋轉,轟響,動搖


 rolling
 滾動


 rolling
 滾動


 Roll v. t. [imp. & p. p. Rolled p. pr. & vb. n. Rolling.]
 1. To cause to revolve by turning over and over; to move by turning on an axis; to impel forward by causing to turn over and over on a supporting surface; as, to roll a wheel, a ball, or a barrel.
 2. To wrap round on itself; to form into a spherical or cylindrical body by causing to turn over and over; as, to roll a sheet of paper; to roll parchment; to roll clay or putty into a ball.
 3. To bind or involve by winding, as in a bandage; to inwrap; -- often with up; as, to roll up a parcel.
 4. To drive or impel forward with an easy motion, as of rolling; as, a river rolls its waters to the ocean.
    The flood of Catholic reaction was rolled over Europe.   --J. A. Symonds.
 5. To utter copiously, esp. with sounding words; to utter with a deep sound; -- often with forth, or out; as, to roll forth some one's praises; to roll out sentences.
    Who roll'd the psalm to wintry skies.   --Tennyson.
 6. To press or level with a roller; to spread or form with a roll, roller, or rollers; as, to roll a field; to roll paste; to roll steel rails, etc.
 7. To move, or cause to be moved, upon, or by means of, rollers or small wheels.
 8. To beat with rapid, continuous strokes, as a drum; to sound a roll upon.
 9. Geom. To apply (one line or surface) to another without slipping; to bring all the parts of (one line or surface) into successive contact with another, in suck manner that at every instant the parts that have been in contact are equal.
 10. To turn over in one's mind; to revolve.
 Full oft in heart he rolleth up and down
 The beauty of these florins new and bright.   --Chaucer.
 To roll one's self, to wallow.
 To roll the eye, to direct its axis hither and thither in quick succession.
 To roll one's r's, to utter the letter r with a trill. [Colloq.]


 Roll·ing a.
 1. Rotating on an axis, or moving along a surface by rotation; turning over and over as if on an axis or a pivot; as, a rolling wheel or ball.
 2. Moving on wheels or rollers, or as if on wheels or rollers; as, a rolling chair.
 3. Having gradual, rounded undulations of surface; as, a rolling country; rolling land. [U.S.]
 Rolling bridge. See the Note under Drawbridge.
 Rolling circle of a paddle wheel, the circle described by the point whose velocity equals the velocity of the ship. --J. Bourne.
 Rolling fire Mil., a discharge of firearms by soldiers in line, in quick succession, and in the order in which they stand.
 Rolling friction, that resistance to motion experienced by one body rolling upon another which arises from the roughness or other quality of the surfaces in contact.
 Rolling mill, a mill furnished with heavy rolls, between which heated metal is passed, to form it into sheets, rails, etc.
 Rolling press. (a) A machine for calendering cloth by pressure between revolving rollers. (b) A printing press with a roller, used in copperplate printing.
 Rolling stock, or Rolling plant, the locomotives and vehicles of a railway.
 Rolling tackle Naut., tackle used to steady the yards when the ship rolls heavily. --R. H. Dana, Jr.

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 rolling
      adj 1: characterized by reverberation; "a resonant voice"; "hear
             the rolling thunder" [syn: resonant, resonating, resounding,
              reverberating, reverberative]
      2: uttered with a trill; "she used rolling r's as in Spanish"
         [syn: rolled, trilled]
      3: moving in surges and billows and rolls; "billowing smoke
         from burning houses"; "the rolling fog"; "the rolling
         sea"; "the tumbling water of the rapids" [syn: billowing,
          tumbling]
      n 1: a deep prolonged sound (as of thunder or large bells) [syn:
           peal, pealing, roll]
      2: the act of robbing a helpless person; "he was charged with
         rolling drunks in the park"
      3: propelling something on wheels [syn: wheeling]