水质数学模型

Part 1 What Do You Know About the Computer? 电脑基本知识 首先你得弄明白你想 用电脑做什么。有些人只是单纯地做些文字处理(writing documents),有些人则是为了玩网络游戏(playing computer games),还有些专业人士拿电脑做影象编辑(editing pictures),电脑

发表于:2018-12-07 / 阅读(113) / 评论(0) 分类 CRI实用英语课堂

Water is a necessary resource for the health and survival of living things. But the availability of fresh water is decreasing for much of the worlds population. The United Nations estimates that about 3.6 billion people currently live in areas that f

发表于:2018-12-08 / 阅读(161) / 评论(0) 分类 2018年VOA慢速英语(十)月

Model 3 The natural elements [00:02.99]自然环境 [00:05.98]Unit 1 Controlling fire Look and learn [00:09.12]控制火灾 看一看,学一学 [00:12.25]injured [00:13.68]受伤的 [00:15.10]cigarette ends [00:16.68]烟头 [00:18.26]Read,find and an

发表于:2018-12-17 / 阅读(260) / 评论(0) 分类 上海牛津初中英语七年级

Can I help you? I'm looking for an MP-3 player. Which brand is of the highest quality? I recommend Pioneer. Which model is the best-seller? This model is very popular with ladies. May I have a look at it? Sure, it's multi-functional. Besides playing

发表于:2018-12-25 / 阅读(111) / 评论(0) 分类 英语口语900句

01)A: We can offer you this in different levels of quality. A:这产品我们有三种不同等级的品质。 B: Is there much of a difference in price ? B:价钱也有很大的分别吧? A: Yes ,the economy model is about 30% less. A:是的,经济型

发表于:2018-12-26 / 阅读(107) / 评论(0) 分类 天天商务口语

[00:03.58]You will hear three pieces of recorded material. [00:08.15]Before listening to each one,you'll have time to [00:12.59]read the questions related to it. [00:16.25]While listening,answer each question by choosing A,B,C or D. [00:22.13]After l

发表于:2018-12-27 / 阅读(244) / 评论(0) 分类 最新版英语听力教程

[00:00.00]1.W:I think I'll take my mother to that French restaurant on Main Street for her birthda [00:08.15]M:I hope it's not any time soon.They are usually booked up weeks in advanc [00:14.37]Q:What does the man mean? [00:18.44]2.M:Did you notice t

发表于:2018-12-30 / 阅读(176) / 评论(0) 分类 英语四级听力练习集锦

By Brian Padden Irbil, Iraq 27 September 2007 Recent outbreaks of cholera in parts of Iraq highlight the need for basic services like clean water.Development projects in much of the country have been delayed because of the deteriorating security situ

发表于:2019-01-07 / 阅读(181) / 评论(0) 分类 2007年VOA标准英语(九月)

The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di

发表于:2019-01-07 / 阅读(136) / 评论(0) 分类 VOA标准英语2010年(八)月

经典商务 英语 电话报价对话 (1) A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 天天商务口语

1)A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的品质。 B:价钱也有很大的分别

发表于:2019-01-08 / 阅读(124) / 评论(0) 分类 天天商务口语

1) A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的品质。 B:价钱也有

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 天天商务口语

报价 英语 :用简单 英语 谈生意 (1) A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: We'll take that one . A:这产品我们有三种不同等

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 天天商务口语

Model Home Shows off Renewable Energy Technology in Senegal In Senegal, a model green house is showcasing renewable energy technologies as part of efforts between the Israeli and Senegalese government to improve food production and reduce dependence

发表于:2019-01-14 / 阅读(137) / 评论(0) 分类 VOA标准英语2011年(五月)

(41) A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: We'll take that one . A:这产品我们有三种

发表于:2019-01-30 / 阅读(163) / 评论(0) 分类 实用英语

AGRICULTURE REPORT - Simple Ways to Protect Water Quality By Mario Ritter Broadcast: Tuesday, July 26, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report. Afghans wash carrots in d

发表于:2019-01-30 / 阅读(171) / 评论(0) 分类 农业与发展

报价篇: (1)A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的品质。 B:价钱也有很

发表于:2019-02-05 / 阅读(110) / 评论(0) 分类 天天商务口语

1) A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的品质。 B:价钱也

发表于:2019-02-08 / 阅读(117) / 评论(0) 分类 实用英语

经典商务 英语 电话报价对话 (1) A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的

发表于:2019-02-18 / 阅读(111) / 评论(0) 分类 实用英语

US Scientists working on new ways to battle the erosion that threatens Louisiana's coastline have a dramatic new tool: a massive replica of the lower Mississippi River. The multi-million US dollar model, complete with flowing water, aims to isolate t

发表于:2019-02-22 / 阅读(207) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
15-O-methylcimigenol
acanthopterygiis
aerofoil fan
all of us
analytical abilities
Antarctic Sound
auxiliary cable
balance on liquidity
Boa Nova
botanica
Botsmark
buzzell
ca'
Chinemys
clamping moment
coming-out party
conferralism
declarative macro instruction
deistest
departments of commerce and labor
device driver subroutine library
dnan
dome collar
drink to
dry-wet spinning
effects studio
eleutheropetalous
erda
esquadron
ex. g.
exequies
exobasidium nudum (shirai) s. ito
Expodental
extince radioisotope
fix up with
flange of wheel
flight limit
formalizers
four-stand tandem mill
Garfunkel
gas fired furnace
genal process
genus tulestomas
group relationship
gyroscopic control
heavily loaded
hypertrophy of adipose tissue
hypovertebrotomy
index field value
infraorbital gland (or orbital gland)
Koch resistance
LED projector
listeria monocytogeness
lit fiber
longitude from
lowstand (system) tract
macrodefined symbol type
matronize
megohmmeter
mist-shroudeds
moon train
multilateralize
neptunic acid
noisy feedback
nuclear refrigeration
on condition of
on-line peripheral test
one too many
oxyresveratrol
paradoxer
permanent frost soil
plai
postface
pump priming
quadruple-length register
quantity per pack
remigial
renal infection
Ribes grossularia
savagings
scanning fluorimeter
sclerosing granuloma
Shelton
shier
site-plan
sleeping table
sneaped
stock management for jobbers
sub-greenschist
thermal polymerization
thermal spray coating process
thermotopography
Tojikiston
Triaenophoridae
turry
unsym.-dimethylurea
variers
welders
wolf child
wrought tool steel
zam
zhebeiresinol