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1. Oxford American Dictionary

   active

   • IPA[ˈaktiv]

   美式

   • adj.
     engaging or ready to engage in physically energetic pursuits；moving or tending to move about vigorously or frequently
   • n.
     an active form of a verb.；the active voice.
2. • 釋義
   • 相關詞

   adj.

   形容詞

   • 1. engaging or ready to engage in physically energetic pursuits I needed to change my lifestyle and become more active 同義詞 mobile, energetic, agile, sporty, nimble, ... 更多vigorous, vital, dynamic, sprightly, spry, lively, animated, bouncy, bubbly, perky, frisky, zestful, spirited, busy, bustling, occupied, involved, informalon the go, on the move, full of get-up-and-go, full of vim and vigor, full of beans, sparky, zippy, peppy, bright-eyed and bushy-tailed, go-go反義詞 listless
   • ▪ moving or tending to move about vigorously or frequently active fish need a larger tank
   • ▪ characterized by busy or lively activity they enjoyed an active social life
   • ▪ (of a person's mind or imagination) alert and lively Caroline nodded slowly, her active mind already racing ahead
   • 2. pursuing an occupation or activity at a particular place or in a particular way the artist was active in the 1920s tigers are active mainly at night
   • ▪ participating or engaged in a particular sphere or activity in a positive or spontaneous rather than a passive way she was an active member of the society he had never been very active in the affairs of the institute 同義詞 hard-working, busy, industrious, diligent, tireless, ... 更多contributing, enterprising, influential, occupied, engaged, involved, enthusiastic, keen, committed, devoted, determined, zealous, militant, radical, informalgo-getting, go-ahead反義詞 passive, indifferent
   • 3. (of a thing) working; operative the old mill was active until 1960 同義詞 operative, working, functioning, functional, operating, ... 更多operational, in action, in operation, in force, live, effective, effectual, powerful, potent, nonpassive, noninert, informalup and running反義詞 inactive, inert
   • ▪ (of an electrical circuit) capable of modifying its state or characteristics automatically in response to input or feedback the receiver is continuously active whenever the vehicle ignition is switched on
   • ▪ (of a volcano) currently erupting, or that has erupted within historical times the volcano became active on March 28 last year Etna is Europe's highest and most active volcano
   • ▪ (of a disease) in which the symptoms are manifest; not in remission or latent active colitis
   • ▪ having a chemical or biological effect on something 350 active ingredients have been banned from pesticides
   • 4. relating to or denoting the voice that attributes the action of a verb to the person or thing from which it logically proceeds (e.g., of the verbs in guns kill and we saw him).

   n.

   名詞

   • 1. an active form of a verb.
   • ▪ the active voice.

   active barrier

   • n.
     a barrier that allows passage of defined agents while preventing or impeding others.

   Oxford American Dictionary

   non-active

   • adj.
     not participating or working: non-active trustees a non-active placebo tablet

   Oxford Dictionary

   active duty

   • n.
     full-time service in the police or armed forces.

   Oxford American Dictionary

   active travel

   • n.
     travel, especially commuting or movement in one's local area, of a kind that involves ... developing high quality walking and cycling facilities will encourage more people to switch to active travel the project aims to deliver a comprehensive network of active travel routes across the city

   Oxford Dictionary

   active carbon

   • n.
     another term for activated carbon

   Oxford Dictionary

   active duty

   • n.
     the playing of a direct role in the operational work of the police or armed forces as opposed ... the first aid kit was supposed to be issued to soldiers on active duty

   Oxford Dictionary

   active citizen

   • n.
     a person who actively takes responsibility and initiative in areas of public concern such as ...

   Oxford Dictionary

   active layer

   • n.
     the seasonally thawed surface layer above permafrost.

   Oxford American Dictionary

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3. • 更多解釋

   active

   • IPA[ˈaktɪv]

   英式

   • adj.
     engaging or ready to engage in physically energetic pursuits: although he was seventy he was still robust and active
   • n.
     an active form of a verb.

   Oxford Dictionary