| 单词 | jet |
| 释义 | jet 1. n. & v. --n 1. a stream of water, steam, gas, flame, etc. shot out esp. from a small opening. 2. a spout or nozzle for emitting water etc. in this way. 3. a a jet engine. b an aircraft powered by one or more jet engines. --v (jetted, jetting) 1. intr. spurt out in jets. 2. tr. & intr. colloq. send or travel by jet plane. Phrases and idioms jet engine an engine using jet propulsion for forward thrust, esp. of an aircraft. jet lag extreme tiredness and other bodily effects felt after a long flight involving marked differences of local time. jet-propelled 1. having jet propulsion. 2. (of a person etc.) very fast. jet propulsion propulsion by the backward ejection of a high-speed jet of gas etc. jet set colloq. wealthy people frequently travelling by air, esp. for pleasure. jet-setter colloq. a member of the jet set. jet stream 1. a narrow current of very strong winds encircling the globe several miles above the earth. 2. the stream from a jet engine. Etymology: earlier as verb (in sense 1): F jeter throw ult. f. L jactare frequent. of jacere jact- throw 2. n. 1. a a hard black variety of lignite capable of being carved and highly polished. b (attrib.) made of this. 2. (in full jet-black) a deep glossy black colour. Etymology: ME f. AF geet, OF jaiet f. L gagates f. Gk gagates f. Gagai in Asia Minor |
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