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period
- IPA[ˈpɪərɪəd]
英式
- a length or portion of time；a portion of time in the life of a nation, civilization, etc. characterized by the same prevalent features or conditions
- belonging to or characteristic of a past historical time, especially in style or design
noun: period, plural noun: periods
- 釋義
- 相關詞
- 片語
名詞
- 1. a length or portion of time he had long periods of depression the period 1977–85 同義詞
- ▪ a portion of time in the life of a nation, civilization, etc. characterized by the same prevalent features or conditions the early medieval period 同義詞
- ▪ a major division of geological time that is a subdivision of an era and is itself subdivided into epochs the Cretaceous period
- ▪ each of the set divisions of the day in a school allocated to a lesson or other activity two periods of PE are allocated on the timetable he interviewed the teachers when they had a free period 同義詞
- ▪ each of the divisions of the playing time of a sporting event the Lightnings ran at the Leafs hard in a very rough first period
- 2. the interval of time between successive occurrences of the same state in an oscillatory or cyclic phenomenon, such as a mechanical vibration, an alternating current, a variable star, or an electromagnetic wave.
- ▪ the time taken by a celestial object to rotate about its axis, or to make one circuit of its orbit.
- ▪ the interval between successive equal values of a periodic function.
- 3. a flow of blood and other material from the lining of the uterus, occurring in non-pregnant women at intervals of about 28 days between puberty and the menopause and typically lasting for a few days she's got her period period pains 同義詞
- 4. North American a punctuation mark (.) used at the end of a sentence or an abbreviation; a full stop. 同義詞
- ▪ North American informal added to the end of a statement to indicate that no further discussion is possible or desirable he is the sole owner of the trademark, period 同義詞
- 5. a set of elements occupying a horizontal row in the periodic table.
- 6. a complex sentence, especially one consisting of several clauses, constructed as part of a formal speech or oration.
- ▪ a complete idea, typically consisting of two or four phrases.
形容詞
- 1. belonging to or characteristic of a past historical time, especially in style or design an attractive and beautifully modernized period house a splendid selection of period furniture
- the period over which eggs, cells, etc. are incubated.
Oxford American Dictionary
- the period between infection with a virus or other microorganism and the onset of symptoms, or ...
Oxford American Dictionary
- the period between infection with a virus or other microorganism and the onset of symptoms, or ...
Oxford Dictionary
- the period over which eggs, cells, etc. are incubated.
Oxford Dictionary
- an object or work that is set in or reminiscent of an earlier historical period: these novels are period pieces with roots in historical romance the room is furnished with period pieces
Oxford Dictionary
- a period immediately following stimulation during which a nerve or muscle is unresponsive to ...
Oxford Dictionary
- a legally mandated period of time preceding and following a company’s initial public offering ... the analysts haven't yet released earnings estimates because of the quiet period after the company's IPO
Oxford Dictionary
- a time or stage in a person's development when they are more responsive to certain stimuli ...
Oxford Dictionary
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- IPA[ˈpirēəd]
美式
- a length or portion of time: he had long periods of depression the period 1977–85
- belonging to or characteristic of a past historical time, especially in style or design: a splendid selection of period furniture
Oxford American Dictionary
