双峰群体

bimodal population的用法和样例：

例句

The grain size distribution was bimodal as a whole.尘暴降尘的粒度基本呈双峰态分布。
Bimodal she prostrated herself in front of the hill like a thoroughbred camels, which are like Jiuhu, known Jiuhu Hill.眼前的这座山很想一匹双峰伏地骆驼，又因为它很象酒壶，所以又叫酒壶山。

Is It a Good Idea to Control Population Growth in the World?

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高级口语教程

Ageing population

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六分钟英语

新编英语教程第五册unit05_2_aging_population

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新编大学英语阅读部分

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[00:00.00]MODULE 11 Population [00:02.09]模块十一人口 [00:04.17]Unit 1It's the biggest cityin China. [00:06.23]第一单元它是中国最大的城市 [00:08.29]Listening and vocabulary2 Listen and choose thebest answer. [00:34.03]听力和词汇

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新标准初中英语第五册

英语口语大赢家Topic22:人口Population

爸爸和丹尼尔上了车，丹尼尔听见旁边的两位乘客在谈论着公交公司的事情，他们具体在谈论些什么呢？一起来看看吧。 Listen Read Learn Man: Hey, do you know the bus company network system crashed? Woman: I heard about it several days ago! Man: That is unbelie

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英语口语大赢家

新标准初中英语九年级(下):UNIT2 Overpopulation

[00:01.55]People need basic necessities [00:04.15]such as food,clothes and houses. [00:08.52]This means that more of our natural resources [00:11.87]like oil and coal are used [00:14.98]up to produce these things. [00:17.55]Also, more of our environm

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外研社新标准初中英语九年级

新标准初中英语九年级(下):UNIT1 World population

[00:01.84]3 Listen and complete. [00:06.70]What have the children done for their project [00:10.30]on population? [00:11.96]Listen and complete their sentences. [00:16.14] [01:04.64]4 Listen and complete. [01:08.78]Listen and fill in the missing info

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外研社新标准初中英语九年级

DEVELOPMENT REPORT - World Population by 2050

DEVELOPMENT REPORT - World Population by 2050 By Jill Moss Broadcast: Monday, August 30, 2004 This is Gwen Outen with the VOA Special English Development Report. New research shows that Earth will hav

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农业与发展

Population explosion

Alice: Hello, I'm AliceFinn: And I'm Finn.Alice: And this is 6 Minute English! This week were talking about populationgrowth and the effects it might have on the world. At the moment itsestimated that there are about 7 billion people on the planet. F

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六分钟英语

Module 9 Unit 1 The population of China is about 1.37 billion

[00:00.00]What are you doing?你在做什么呢? [00:02.66]I'm preparing some notes for a report called Our growing population.我正在为一篇叫作我们持续增长的人口的报告准备一些笔记。 [00:08.25]Well,we're in the right place t

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外研社新标准初中英语八年级上(2013版)

生个男孩代表家里要多存钱

China's one-child policy combined with the preference for sons has skewed the population toward males. New research showing a strong correlation between that sex imbalance and savings rates offers some unexpected insights for financial services firms

发表于:2019-01-11 / 阅读(103) / 评论(0)

阅读空间

纯正英语一分钟-population

The worlds population is getting bigger and bigger. Theres a population explosion in some countries. Im not sure if this is good or bad. The Earth can only support a limited number of people. One day, the worlds population will be too big to feed eve

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听一分钟英文-P

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By Robert Raffaele Washington 10 July 2007 This week marks the United Nations' annual observance of World Population Day (Wednesday July 11th) -- focusing attention on issues surrounding population growth worldwide. The annual event comes on the heel

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2007年VOA标准英语（七月）

China widens pension coverage as population ages

SHIJIAZHUANG, July 1(Xinhua) -- China on Sunday launched a campaign aiming to provide pension insurance to all rural residents and unemployed citizens in order to help the country cope with its aging population. We must ensure that the new pension in

发表于:2019-02-02 / 阅读(110) / 评论(0)

英语新闻

World Population Day（世界人口日）

2004 marks the 10th anniversary of the groundbreaking International Conference on Population and Development (ICPD) in Cairo, Egypt, in 1994. Ten years ago, on the eve of World Population Day, a new campaign was launched to raise awareness of how int

发表于:2019-02-03 / 阅读(132) / 评论(0)

阅读空间

Half of U.S. population breathe polluted air

LOS ANGELES, April 27 (Xinhua) -- Air pollution poses a threat to the health of about 154 million Americans -- or more than half of the U.S. population, the American Lung Association (ALA) said on Wednesday. The air is so polluted in some areas that

发表于:2019-02-06 / 阅读(101) / 评论(0)

英语新闻

“流动人口”用英语如何表达？

据新华社报道，十二五（2011-2015）计划期末，我国人口总量将达到 13.9亿左右，城镇人口将首次超过农村人口。60岁及以上老年人口在十二五期间将年均净增800万，并在2015年突破2亿。上世纪8

发表于:2019-02-06 / 阅读(146) / 评论(0)

实用英语

VOA常速英语2008年-Palestinian Population Grows by 30 Percent in P

By Jim Teeple Jerusalem 11 February 2008 For the first time in a decade there is a new accurate census of Palestinians living in the West Bank, the Gaza Strip and East Jerusalem. VOA's Jim Teeple has details from our Jerusalem Bureau. The new census

发表于:2019-02-06 / 阅读(95) / 评论(0)

VOA常速英语2008年（二月）

新西兰英语 523 Population statistics

Statistics New Zealand collects population numbers every year from 1st October to the end of September. The latest figures show that New Zealands population on September 30th was 4,414,400. This is equal to 0.06% of the worlds population. We have 33,

发表于:2019-02-17 / 阅读(120) / 评论(0)

新西兰英语

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