| 单词 | active |
| 释义 | active adj. & n. --adj 1. a consisting in or marked by action; energetic; diligent (leads an active life; an active helper). b able to move about or accomplish practical tasks (infirmity made him less active). 2. working, operative (an active volcano). 3. originating action; not merely passive or inert (active support; active ingredients). 4. radioactive. 5. Gram. designating 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; we saw him). --n Gram. the active form or voice of a verb. Phrases and idioms active carbon = activated carbon (see ACTIVATE). active list Mil. a list of officers available for service. active service full-time service in the armed forces. Derivatives actively adv. activeness n. Etymology: ME f. OF actif -ive or L activus (as ACT v.) |
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