| 单词 | active |
| 释义 | Word Frequency active(ˈæktɪv) adjective 1. in a state of action; moving, working, or doing something 2. busy or involved an active life 3. physically energetic 4. exerting influence; effective an active ingredient 5. grammar a. denoting a voice of verbs used to indicate that the subject of a sentence is performing the action or causing the event or process described by the verb, as kicked in The boy kicked the football Compare passive (sense 5)b. another word for nonstative 6. being fully engaged in military service (esp in the phrase on active service) 7. (of a volcano) erupting periodically; not extinct Compare dormant (sense 3), extinct (sense 3)8. astronomy (of the sun) exhibiting a large number of sunspots, solar flares, etc, and a marked variation in intensity and frequency of radio emission Compare quiet (sense 8)9. business a. producing or being used to produce profit, esp in the form of interest active balances b. of or denoting stocks or shares that have been actively bought and sold as recorded in the Official List of the London Stock Exchange 10. electronics a. containing a source of power an active network b. capable of amplifying a signal or controlling some function an active component an active communication satellite noun 11. grammar a. the active voice b. an active verb 12. mainly US a member of an organization who participates in its activities Derived forms actively (ˈactively) adverb activeness (ˈactiveness) noun Word origin C14: from Latin āctīvus. See act, -ive |
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