period
英 ['pɪərɪəd]
美['pɪrɪəd]
- n. 周期，期间；时期；月经；课时；（语法学）句点，句号
- adj. 某一时代的
英英释意
- 1. an amount of time;
- "a time period of 30 years"
- "hastened the period of time of his recovery"
- "Picasso's blue period"
- 2. one of three periods of play in hockey games
- 3. a stage in the history of a culture having a definable place in space and time;
- "a novel from the Victorian period"
- 4. the interval taken to complete one cycle of a regularly repeating phenomenon
- 5. the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause;
- "the women were sickly and subject to excessive menstruation"
- "a woman does not take the gout unless her menses be stopped"--Hippocrates
- "the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females"--Aristotle
- 6. a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations;
- "in England they call a period a stop"
- 7. a unit of geological time during which a system of rocks formed;
- "ganoid fishes swarmed during the earlier geological periods"
- 8. the end or completion of something;
- "death put a period to his endeavors"
- "a change soon put a period to my tranquility"