音标:[bə:θ reit] ; 柯林斯词典等级:1 级;
n. 人口出生率
词型变化:名词复数形式 : birth rates

birth rate的用法和样例:

例句

用作名词(n.)
  1. The birth rate in this city is almost constant.这城市的出生率几乎是不变的。
  2. What is the most effective method of birth control?控制出生率的最有效的方法是什么?
【近义词】

Lesson 9 Is It a Good Idea to Control Population Growth in the World? Text What Overpopulation Feels Like We moved slowly through the city in a taxi and entered a crowded slum district. The temperatur

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So, here's an interesting question. Could the recession be responsible for a decrease in U.S. birth rate? At least, one expert thinks the recession is the reason why. He says when people are unsure their financial future, they tend to put off having

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This is the VOA Special English Health Report. A 16-year-old mother receives care for her baby at a mobile health clinic in Garland, Texas, in a 2006 photo More than seven hundred thousand teenagers a year get pregnant in the United States. The teen

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BEIJING, Oct. 18 (Xinhuanet) -- Autism can likely develop when low birth weight babies are combined with other factors such as environment and genetic predisposition, new research suggests. Researchers from the University of Pennsylvania School of Nu

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今天我们要学的词是birth rate。 Birth rate, 出生率。经济衰退会影响出生率吗?有数字显示,现在妇产科病人少了,避孕工具销量大增。 Experts say birth rates do appear to fall with economic declines, 专家说

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Statistics New Zealand released figures of births for the year ending June 2010. The figures show that births are up by 2%. Most of that increase is in Auckland. In 1961, women had an average of 4.3 children but today women have an average of 2.2 chi

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Daily Life - Buying Womens Shoes Buying new shoes is no easy business. Comfort is a must, but price and style are important factors as well. Women take these details very seriously when shopping. Today we explore buying womens shoes.

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7-Hydroxybiopterin
abieninic acid
Adrastus
agriotypes
amaldi
augural
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belch
bifurcatio
body of catalyst
bugologist
Bushuikha
child-care centre
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corrisif
Corynebacterium fimi
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fastness to dry-cleaning
Fermi age
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metasphaeria musae
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octaeterid
Ogose
oligomerised
on this side
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Salix phanera
Securities Advisory Council
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sublight
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the pit
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transprocess
two tier bargaining
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