单词：periods
n the interval taken to complete one cycle of a regularly repeating phenomenon
n (ice hockey) one of three divisions into which play is divided in hockey games
n a unit of geological time during which a system of rocks formed
n the end or completion of something
n the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
n a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations
periods的用法和样例：
例句
- The bitch's cycle is divided into four periods.母犬的发情周期被分为一下四个阶段。
- Timer must be disabled when graphing readings for extended periods.当在观看较长周期的图形和读值时，必须关闭定时器。
单词：periods 相关文章
[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.20]1995 [00:07.51]Sleep is divided into periods of so-called REM sleep, [00:11.56]characterized by rapid eye movements and dreaming, [00:14.68]and longer periods of non-REM sleep. [00:17.50
历年考研英语完型填空
And the comment section for that video became sort of like a self-help section, 并且那个视频的评论区变得有点像一个励志互助区， where people could talk about their tonsil stone experiences and, like, tips and tricks for getting
TED演讲科学篇
There's another reason that talking to your doctor about your health and gross stuff is really, really important. 与医生谈论健康和恶心的东西有很重要的另外一个原因。 Doctors and the scientific community can only address issues
TED演讲科学篇
Major Historical Periods Livy: Tell me again why were here on a Saturday afternoon. Nicholas: Youre going to love this museum. It has artifacts and exhibits from all the major periods in history, from prehistoric days to the present. Livy: Hmm, fasci
2015年ESL之日常生活
Three periods of my youth About the twelfth year of my age, my father being abroad, my mother reproved me for some misconduct, to which I made an undutiful reply. And The next first-day, as I was with my father returning from meeting, he told me tha
英语名著名段背诵精华
Controlling Your Concentration CONCENTRATION IS CENTERING YOUR ATTENTION Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical applicat
有声英文阅读
Broadcast: January 7, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Rice is the world's most important crop. Much has been done to increase its productivity. Modern genetic
VOA2003（上）-社会广角
Todd: Hey, Shawn you're a big guy. Shawn: Thank you. Todd: Do you play rugby? Shawn: I did in the past. Todd: OK, how does rugby work? Shawn: It's a bit like American football and soccer put together. It's, the ball's about the size of an American fo
英语访谈对话
Grammar Girl here. Today's topic is units of measurethose words and symbols that come after numbers. This first point might seem self-evident: you put a space between the number and the unit of measure. Even though it seems obvious, I'm telling you b
英语语法 Grammar Girl
有人曾经做过一个调查，大家在心情郁闷的时候都会做什么来调节情绪。大吃一顿或者购物是多数人的回答。其实，如果从心理学的角度来分析的话，估计这两种方式都算得上是某种心理疗法
阅读空间
Women's shopping habits linked to periods In the ten days before their periods begin women are more likely to make extravagant impulse buys, according to researchers. Psychologists believe that shopping sprees could be a way for premenstrual women to
阅读空间
Todd: OK, Steve you were saying that you're a big hockey fan. 托德：史蒂夫，你说你是冰球的忠实球迷。 Steve: That's right. I love hockey. 史蒂夫：没错。我很爱冰球。 Todd: OK. Why? What is it about hockey? 托德：嗯。为
实战口语情景对话
【原文】 Controlling Your ConcentrationCONCENTRATION IS CENTERING YOUR ATTENTIONPsychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as s
英语听力广播—Listening
About the twelfth year of my age, my father being abroad, my mother reproved me for some misconduct, to which I made an undutiful reply. And The next first-day, as I was with my father returning from meeting, he told me that he understood I had behav
阅读空间
其实，推断题没有想象中的那么难，因为托福文章有很清晰的逻辑架构，T(topic)+A(aspect)+A(attitude)的篇章结构和TS(topic sentence)+D(detail)的段落结构是几乎每节课我都会提到的，只有明白了文章的写
托福英语
Home on the Way 旅人的家 People need homes: children assume their parents' place as home; boarders call school home on weekdays; married couples work together to build new homes; and travelers have no place to call home, at least for a few nights
英语美文
Home on the Way 旅人的家 People need homes: children assume their parents' place as home; boarders call school home on weekdays; married couples work together to build new homes; and travelers have no place to call home, at least for a few nights
英语美文
Part IV Dangerous Planet 第四部 处境危险的行星 The history of any one part of the Earth, like the life of a soldier, consists of long periods of boredom and short periods of terror.British geologist Derek V. Ager 地球的任何一部分历史
万物简史
2014年6月29日的托福口语考试中有一道题目是Which of the following periods in life do you think is the hardest, being a kid, a teenager or an adult.下列哪个时期生活中你认为最困难的,孩子,青少年或成人。针对这样一
托福英语