单词：blttle neck effect
blttle neck effect的用法和样例：
例句
- It is related to the concept of a founder effect, since small populations often undergo bottlenecks.边域性物种形成与奠基者效应的观念有关，因为小的群体往往要经历瓶颈效应。
单词：blttle neck effect 相关文章
总是低头看手机看平板，一不小心脖子就又僵了。是时候改变生活方式，远离短信脖啦。 Text neck refers to the neck and upper back pain caused by an excessive and prolonged forward head tilt, such as when texting or per
英文语法词汇
By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide
VOA2003（下）-环境与健康
今天我们要讲的美国习惯用语是：an albatross around one's neck。Albatross是一种名字叫信天游的海鸟， neck 是脖子。An albatross around one's neck， 按字面来理解，它的意思是：挂在脖子上的信天游。但是
美国习惯用语
我有个表兄，说起来挺可怜的。他从小就立志要做律师。几年前如愿以偿，从法学院毕业，加入了一家律师事务所。如今，他一天从早忙到晚，周末都不能跟家人在一起。可是因为上法学院欠
美国习惯用语
今天我们要讲的美国习惯用语是：breathe down someone's neck. Breathe是呼吸的意思；neck是脖子的意思。Breathe down someone's neck 连在一起，是对某人盯得特别紧的意思。 前不久，我朋友Jenny跟她老公Je
美国习惯用语
Idiom: Neck and neck 旗鼓相当 Hit the book: Kitten Counter Stove Signal Awesome Process Sensory Organ
趣味青春英语
Grammar Girl here. In todays episode were going to answer some bizarre and puzzling questions: Can two people share a life? Can two writers share a neck? How many heads does a person have? How many wives do certain men have? Today's guest-writer, Bon
英语语法 Grammar Girl
Shot in the neck 喝醉酒 感恩节去舅舅家串门，到那里时，他们刚用过晚餐不久，大家交谈的交谈，收拾的收拾，唯独没有看到表哥，我便问，怎么表哥不在？舅舅的洋媳妇笑笑说，表哥shot in th
美国俚语
Too Much Gaming is a Pain in the Neck From VOA Learning English, this is the Health and Lifestyle report. Most children have heard their parents at one time or another yell sit up straight! or dont slouch! In the past, this was usually heard at the d
2015年VOA慢速英语(三)月
Make Sure You Are Not a Pain in the Neck Now the VOA Learning English program Words and Their Stories. This program explores the origin and uses of popular words and expressions in American English. Today we explain how a common body part -- the neck
2016年VOA慢速英语(六)月
By Robert Berger Jerusalem 15 June 2008 America's top diplomat is in the Middle East trying to get the peace process back on track. Robert Berger reports from the VOA bureau in Jerusalem. Palestinian President Mahmoud Abbas, right, meets US Secretar
VOA标准英语2008年（六月）
pain in the neck neck and neck 英语里有不少成语和俗语都是和人体各个部份的名称相联系的，有的和头，有的和眼睛、鼻子、手和脚有关的。今天我们再讲两个
美国习惯用语
to break your neck to stick your neck out 美国人在讲话和写文章的时候经常用一些和人体各部份有关系的成语或俗语。今天我们要给大家介绍的两个习惯用语就是和
美国习惯用语
我们今天要讲由neck这个词组成的习惯用语。大家也许已经知道neck是脖子。我们要学的第一个习惯用语是: pain in the neck。 Pain是疼痛的意思。Pain in the neck，一听就知道是脖子疼，但是它的比喻意
美国习惯用语
To get it in the neck To stick out one's neck 我们给大家介绍过两个和脖子,也就是人身体上的颈部有关的常用语。脖子在英文里就是: Neck. 今天我们再来给大家讲解
美国习惯用语
I'll tell you a story before it tells itself 我要讲述一个故事在它呈现在你面前之前 I'll lay out all my reasons, you'll say that I need help 如果我阐述我的理由你可能会说我不可理喻 We all got expectations, and someti
听歌学英语
PARIS, Jan. 11 (Xinhua) -- Triple Olympic champion Usain Bolt of Jamaica said on Wednesday that he will compete in the Bislett Games in Oslo on June 7 to prepare for the London Games in August. Bolt, 25, world record holder in the 100 and 200m, surre
英语新闻
今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示，Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革，但是又担心改革可能带来的副
英语每日一词
今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示，Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革，但是又担心改革可能带来的副
英语单词荟萃
今天要讲的英语词是breakneck. Break Neck? 是脖子断了？ Oh, no ，breakneck这个词一般是用来形容飞快的速度。《华盛顿邮报》在形容中国即将完成三狭工程的文章中说：After 13 years of breakneck construc
学个词