| 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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