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单词 rocket
释义 rocket
rocket1
 —rocketlike,  adj.  
 /rok"it/,  n.  
  1. any of various simple or complex tubelike devices containing combustibles that on being ignited liberate gases whose action propels the tube through the air: used for pyrotechnic effect, signaling, carrying a lifeline, hurling explosives at an enemy, putting a space vehicle into orbit, etc.
  2. a space capsule or vehicle put into orbit by such devices.
  3. See rocket engine.
  v.t.  
  4. to move or transport by means of a rocket.
  5. to attack with rockets.
  v.i.  
  6. to move like a rocket.
  7. (of game birds) to fly straight up rapidly when flushed.
 [1605-15; < It rocchetta, dim. of rocca distaff (with reference to its shape) < Goth *rukka]
rocket2
 /rok"it/,  n.  
  1. any of various plants belonging to the genus Hesperis, of the mustard family, and related genera. Cf. dame's rocket.
  2. Also called rocket salad, roquette. arugula.
  3. a noxious weed, Barbarea vulgaris, of the U.S., having lobed leaves and clusters of small, yellow flowers.
 [1520-30; < F roquette < It ruchetta << L eruca kind of herb]
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更新时间:2024/9/22 14:22:48