| 单词 | fast neutron |
| 释义 | fast1 /fäst/adjective
ORIGIN: A special use of fast2 derived from Scand sense of urgent fastˈish adjective Somewhat fast fastˈness noun fastˈback noun
fastˈball noun (baseball) A delivery from the pitcher thrown at maximum speed fast bowler noun fast bowling noun (cricket) Bowling in which the ball is delivered fast, pace bowling fast-breeder reactor noun A nuclear reactor using fast neutrons which produces at least as much fissionable material as it uses Fastˈext noun A facility on some television sets for scrolling through teletext pages faster than normal fast food or fast foods noun Kinds of food, eg hamburgers, chips, etc, which can be prepared and served quickly fast forward noun The facility provided by a cassette recorder, DVD player, etc for moving quickly through recorded material without playing it fast-forˈward transitive verb To advance (a tape, DVD, etc) quickly by this means intransitive verb (informal) To pass or move on without delay fast lane noun A lane on a motorway or dual carriageway that is used to overtake slower vehicles fast neutron noun A neutron of very high energy, usu over 10000 electronvolts fast reactor noun A nuclear reactor using fast neutrons, and little or no moderator fast stream noun (in eg the civil service) a category of personnel who have been selected for rapid promotion to senior posts fastˈ-talk transitive verb To persuade with rapid, plausible talk fastˈ-talking adjective fast track noun (informal)
fastˈ-track transitive verb To process or promote speedily adjective Relating to or being on a fast track fastˈ-trackˈer noun fast worker noun A person who gains his or her ends quickly and easily, esp by unscrupulous means a fast buck (informal) Money quickly and easily obtained fast and furious (or furiously) Rapidly and vigorously (life) in the fast lane (a way of life) full of pressure, excitement and glamour pull a fast one or put a fast one over (informal) To gain an advantage by trickery |
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