periods background

periods

/ˈpɪriədz/ /ˈpɪəriːədz/

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noun

时期，期间

A length of time.

Examples :

"There was a period of confusion following the announcement."

宣布之后，有一段时间大家都很困惑。

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noun

时期，时代。

A period of time in history seen as a single coherent entity; an epoch, era.

Examples :

"Food rationing continued in the post-war period."

战后时期，食物配给仍然在继续。

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noun

句号，句点。

The punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation).

Examples :

"My teacher told me to always use periods at the end of my sentences. "

我的老师告诉我，写句子的时候结尾一定要用句号。

grammar writing mark language

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noun

周期，时期.

The length of time during which the same characteristics of a periodic phenomenon recur, such as the repetition of a wave or the rotation of a planet.

Examples :

""The brightness of this variable star changes in regular periods of about 30 days." "

这颗变星的亮度以大约30天的周期有规律地变化。

physics astronomy math science time period frequency phenomena

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noun

月经，例假

Female menstruation.

Examples :

"When she is on her period, she prefers not to go swimming."

她来月经的时候，不太喜欢去游泳。

physiology sex body medicine

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noun

时期，阶段.

A section of an artist's, writer's (etc.) career distinguished by a given quality, preoccupation etc.

Examples :

"This is one of the last paintings Picasso created during his Blue Period."

这是毕加索蓝色时期创作的最后一批画作之一。

art literature music style period time history quality

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noun

节次，课时。

Each of the divisions into which a school day is split, allocated to a given subject or activity.

Examples :

"I have math class in second period."

我第二节有数学课。

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noun

局，节。

Each of the intervals into which various sporting events are divided.

Examples :

"Gretzky scored in the last minute of the second period."

格雷茨基在第二节比赛的最后一分钟进球了。

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noun

病程，疗程。

The length of time for a disease to run its course.

Examples :

"The doctor said the periods of flu symptoms are usually about a week long. "

医生说流感症状的病程通常大约一周。

medicine disease

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noun

句号, 终结。

An end or conclusion; the final point of a process etc.

Examples :

"The renovation project reached one of its major periods when the roof was finally completed. "

当屋顶最终完工时，装修工程达到了一个重要的终结点。

outcome process period

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noun

句号，句点。

A complete sentence, especially one expressing a single thought or making a balanced, rhythmic whole.

Examples :

"The student practiced writing different kinds of periods, like questions and exclamations, to improve their grammar. "

学生练习书写不同类型的句子，比如疑问句和感叹句，来提高他们的语法水平。

grammar writing statement language

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noun

时期，阶段。

A specific moment during a given process; a point, a stage.

Examples :

""During the process of learning to ride a bike, there are periods of confidence and periods of doubt." "

在学习骑自行车的过程中，会有充满自信的阶段，也会有充满怀疑的阶段。

time process period stage point

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noun

周期，横行

A row in the periodic table of the elements.

Examples :

"The teacher explained that elements in the same periods of the periodic table have similar numbers of electron shells. "

老师解释说，元素周期表中同一周期（横行）的元素具有相同数量的电子层。

element chemistry science

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noun

时期，纪。

A subdivision of an era, typically lasting from tens to hundreds of millions of years, see Appendix: Geologic timescale.

Examples :

"Fossils from the Jurassic and Cretaceous periods show us what dinosaurs were like millions of years ago. "

来自侏罗纪和白垩纪时期的化石向我们展示了数百万年前恐龙的样子。

geology time history science

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noun

周期基因，时钟基因

A Drosophila gene, the gene product of which is involved in regulation of the circadian rhythm.

Examples :

"Scientists study the periods gene in fruit flies to understand how our own internal clocks work and affect our sleep patterns. "

科学家们研究果蝇体内的周期基因，也就是时钟基因，来了解我们自身内部的生物钟是如何运作并影响睡眠模式的。

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noun

句读, 停顿

Two phrases (an antecedent and a consequent phrase).

Examples :

"In music class, we learned that periods, consisting of an antecedent and a consequent phrase, create a complete musical thought. "

在音乐课上，我们学到乐句（由先启乐句和后继乐句构成）能表达一个完整的音乐思想。

music phrase literature

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noun

周期, 循环周期

The length of an interval over which a periodic function, periodic sequence or repeating decimal repeats; often the least such length.

Examples :

"The repeating pattern of rainy days every 10 days is a period of 10 days. "

每隔十天下雨的重复模式，其周期是十天。

math time frequency period

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noun

句号，终点。

End point, conclusion.

Examples :

"The project's many delays finally reached periods, and it was canceled. "

这个项目一再延误，最终还是走到了句号，被取消了。