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中文用词的多项中，要选出具有典型性的，能与其他同义词，反义词联系的。然后进行字形等分析，此处从略. Here, we choose 形成，间歇，(because周期一词不易于区别),永恒 respectively. Take a note of that sporadic appeared twice in opposite meaning,... periodic try to associate with the image of a periodic (not constant)fountain. |
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| Part of Speech: | adjective |
| Definition: | at fixed intervals |
| Synonyms: | alternate, annual, at various times, centennial, cyclic, cyclical, daily, epochal, every once in a while, every so often, fluctuating, hourly, infrequent, intermittent, isochronal, isochronous, monthly, occasional, on certain occasions, on-again-off-again, orbital, perennial, periodical, recurrent, recurring, regular, repeated, rhythmic, routine, seasonal, serial, spasmodic, sporadic, weekly, yearly |
| Notes: | periodic means happening or recurring at regular intervals; sporadic means occurring singly or occasionally or in scattered instances |
| Antonyms: | constant, continual, irregular, lasting, permanent, sporadic, variable |
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| constant | |
| Part of Speech: | adjective |
| Definition: | fixed |
| Synonyms: | connected, consistent, continual, equable, even, firm, habitual, homogeneous, immutable, invariable, like the Rock of Gibralter, monochrome, monophonic, monotonous, nonstop, of a piece, permanent, perpetual, regular, regularized, solid as rock, stabile, stable, standardized, steadfast, steady, together, unalterable, unbroken, unchanging, unflappable, unfluctuating, uniform, uninterrupted, unvarying |
| Antonyms: | changeable, fickle, fluctuating, inconstant, irregular, unstable, unsteady, varying, wavering |
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| Main Entry: | constituent |
| Part of Speech: | adjective |
| Definition: | component, part |
| Synonyms: | basic, combining, composing, constituting, division, elemental, essential, factor, forming, fraction, fundamental, ingredient, integral, portion |
| Antonyms: | whole |