| 单词 | periods | 
| 释义 | period1 of 2noun  pe·ri·od  ˈpir-ē-əd  1   : the completion of a cycle, a series of events, or a single action : conclusion   2  a(1)    : an utterance from one full stop to another : sentence    (2)    : a well-proportioned sentence of several clauses    (3)    : periodic sentence    b    : a musical structure or melodic section usually composed of two or more contrasting or complementary phrases and ending with a cadence   3  a    : the full pause with which the utterance of a sentence closes    b    : end, stop   4  obsolete   : goal, purpose   5  a(1)    : a point . used to mark the end (as of a declarative sentence or an abbreviation)    (2)     —used interjectionally to emphasize the finality of the preceding statement  I don't remember—period  b    : a rhythmical unit in Greek verse composed of a series of two or more cola   6  a    : a portion of time determined by some recurring phenomenon    b(1)    : the interval of time required for a cyclic motion or phenomenon to complete a cycle and begin to repeat itself    (2)    : a number k that does not change the value of a periodic function f when added to the independent variable    especially : the smallest such number   c    : a single cyclic occurrence of menstruation   7  a    : a chronological division : stage    b    : a division of geologic time longer than an epoch and included in an era    c    : a stage of culture having a definable place in time and space   8  a    : one of the divisions of the academic day    b    : one of the divisions of the playing time of a game   period2 of 2 adjective  : of, relating to, or representing a particular historical period  period furniture period costumes periods nounas in daysan extent of time associated with a particular person or thing the Romantic period in music Synonyms & Similar Words Relevance 
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