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单词 roller
释义 roller
n.
  1. a a hard revolving cylinder for smoothing the ground, spreading ink or paint, crushing or stamping, rolling up cloth on, hanging a towel on, etc., used alone or as a rotating part of a machine. b a cylinder for diminishing friction when moving a heavy object.
  2. a small cylinder on which hair is rolled for setting.
  3. a long swelling wave.
  4. (also roller bandage) a long surgical bandage rolled up for convenient application.
  5. a kind of tumbler-pigeon.
  6. a any brilliantly plumaged bird of the family Coraciidae, with characteristic tumbling display-flight. b a breed of canary with a trilling song.
Phrases and idioms
roller bearing a bearing like a ball-bearing but with small cylinders instead of balls. roller-coaster n. a switchback at a fair etc.
--adj that goes up and down, or changes, suddenly and repeatedly.
--vintr. (or roller-coast) go up and down or change in this way. roller-skate see SKATE(1). roller-skater a person who roller-skates. roller towel a towel with the ends joined, hung on a roller.
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更新时间:2025/6/5 13:46:30