[医] 生育率, 受精率
[经] 妊娠率
词型变化:名词复数形式 : fertility rates

fertility rate的用法和样例:

例句

用作名词(n.)
  1. The birth rate of the whole world is astonishing.全世界的人口出生率简直惊人。
  2. But whatever the cause, it seems to mean fertility rates can overshoot downwards.然而不管原因是什么,看起来都表示人口出生率下降过头了。
  3. But they had the effect of increasing fertility.但它们却产生了促进生育率的效应。
  4. Nugent says statistics on the fertility rate were also revealing.认为生育率的统计书数也是很有启迪意义的。
【近义词】

Medieval Christmas was a weird mixture of Christianity and Pagan customs. Along with the boar's head no Christmas feast was complete without the giant Yule Log. If you've ever enjoyed a slice of choco

发表于:2018-12-07 / 阅读(71) / 评论(0) 分类 圣诞特辑

The full moon triggers a frenzy of activity. 满月会引发一连串狂乱的事件 It is the time of the highest tides. 海水在此时达到满潮 And in the oceans the full moon's bright light 在海中,满月明亮的胧光 is a mating call fo

发表于:2018-12-07 / 阅读(73) / 评论(0) 分类 2013年VOA慢速英语(三)月

1.It's the first full day on the job for new Illinois Governor Pat Quinn. He was sworn into office last night after the state Senate voted to convict Rod Blagoivich. The former governor will now focus on fighting federal corruption allegations. 2.Th

发表于:2018-12-15 / 阅读(118) / 评论(0) 分类 美联社新闻一分钟2009年(一)月

'Fertility treatment is seen as low-hanging fruit' SATURDAY Fertility Fairness campaign group said fertility treatment is seen as low-hanging fruit.

发表于:2018-12-29 / 阅读(86) / 评论(0) 分类 英语听力精选进阶版

Fertility rates have fallen in countries with woeful economies, such as Greece and Italy. 在经济状况糟糕至极的国家中,如希腊和意大利,它们的生育率已经下跌。 But they have also fallen in countries that sailed through t

发表于:2018-12-31 / 阅读(47) / 评论(0) 分类 经济学人文艺系列

International Demography The strange case of the missing baby 国际 人口统计学 婴儿的离奇流失 As the financial crisis hit, birth rates fell in rich countries, as expected. But a persistent baby bust is a real puzzle 正如人们所预料那

发表于:2018-12-31 / 阅读(48) / 评论(0) 分类 经济学人文艺系列

This is Scientific American's 60-second Science. I'm Cynthia Graber. This will just take a minute. Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quali

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(六)月

4.人口红利 Demographic dividend 全国人大常委会委员、中国社科院学部委员、人口与劳动经济研究所所长蔡昉表示,中国人口红利消失的拐点已在2012年出现,将对经济增长产生显著影响,我们应当

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 英语笔译

The Easter bunny has arrived, chocolate Easter eggs are in the shops, the daffodils are out, and the weather is getting better! Easter is a great time of year, but what are its origins? Originally Easter was called Pascha after the Hebrew word for Pa

发表于:2019-01-08 / 阅读(255) / 评论(0) 分类 英美文化

This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 VOA慢速英语2007年(六)月

Approximately 6.6 billion people populate the earth today, with an estimated 3.7 billion living in Asia. But over the past 50 years, economic and social modernization in the region has been accompanied by a remarkable drop in birth rates. Sociologist

发表于:2019-01-14 / 阅读(82) / 评论(0) 分类 VOA标准英语2011年(一月)

Schools in north China's Shanxi Province have been banned from organizing overseas study tours for profit after a plane crash killed two Chinese girls in San Francisco. The provincial education department announced the ban in a statement issued on Tu

发表于:2019-01-19 / 阅读(65) / 评论(0) 分类 世界各地新闻集锦

专家预测:2050年地球将面目全非 The earth's population could top nine billion by 2050, leading to an 'unrecognisable' world as people compete for scarcer resources a U.S. science conference heard yesterday. 有美国科学家警告,到205

发表于:2019-01-26 / 阅读(54) / 评论(0) 分类 实用英语

China's family planning 中国计划生育政策 Illegal children will be confiscated 违法生育就没收孩子 The one-child policy is not just a human-rights abomination; it has also worsened a demographic problem 独生子女政策不仅在人权方

发表于:2019-01-26 / 阅读(66) / 评论(0) 分类 经济学人综合

China's population中国人口 The most surprising demographic crisis出乎意料的人口危机 A new census raises questions about the future of Chinas one-child policy 新的人口普查结果对中国独生子女政策的未来提出了质疑 DOE

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 经济学人综合

Wilbur crouched low, with his thin, curly tail toward the rat. 威尔伯蹲低身子,让它那条细细的弯尾巴对着老鼠。 Templeton seized the string, passed it around the end of the pig's tail, and tied two half hitches. 坦普尔顿抓住绳

发表于:2019-01-29 / 阅读(80) / 评论(0) 分类 夏洛的网

Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quality have declined over the last few decades. So researchers from two fertility clinics in Spain loo

发表于:2019-01-30 / 阅读(108) / 评论(0) 分类 60秒科学

According to the Washington Post of September 26, Japan's government has been paying more attention to the nations fertility rate, which influences the country's economic development。 The coastal region of Fukui has Japan's biggest share of dual-in

发表于:2019-02-18 / 阅读(74) / 评论(0) 分类 阅读空间

Egg The star of Easterpainted, dyed, gilded in silver and gold, blown empty and hung on trees--is the egg. Legends abound about this symbol of life. Around the world they are brought to church, given as gifts, hidden for the benefit of children and e

发表于:2019-02-19 / 阅读(76) / 评论(0) 分类 雅思英语

新托福口语的阅读材料不长,但题材广泛,而考生的知识又受限于自己所学的专业,不可能面面俱到。这样,当遇到材料的内容非常陌生时,尽管表面上看没有生词,也难免会出现读不懂的现

发表于:2019-03-13 / 阅读(142) / 评论(0) 分类 托福英语