蒸发损耗

Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there wi

发表于:2018-12-04 / 阅读(121) / 评论(0) 分类 大学四级英语考试听力真题

Broadcast: May 12, 2003 By Jill Moss This is the VOA Special English Development Report. Each year, millions of people in Bangladesh drink ground water that has been polluted by naturally high levels

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 VOA2003(上)-社会广角

This is the VOA Special English Agriculture Report. Pieter Hoff used to export lilies and tulips from the Netherlands. He retired from the flower export business seven years ago. Now, he is trying to help people grow trees and plants in the desert --

发表于:2019-01-11 / 阅读(51) / 评论(0) 分类 2010年VOA慢速英语(七)月

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(63) / 评论(0) 分类 英语新闻

Chemistry on an experiment called the crystal. First the formation of chemical substances dissolved in water solution, solution Sheng Yu evaporating dish, the evaporating dish placed in steel tripod, the following alcohol lamp heating, control-relate

发表于:2019-02-21 / 阅读(40) / 评论(0) 分类 英语美文

Why lips go dry? 为什么嘴唇会干呢? Lets start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats t

发表于:2019-02-24 / 阅读(66) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
AADA
Abergwynfi
acetum bezoardicum
aerotherapeutic
aircraft crew
allogeneous
alloyed iron
alumima carrier
ANIFT
arge nokoensis
battle -worthy
Bayu
bayus
beat down on/upon
bendarek
best screenplay
bo jio
Brehnitz
cat meets dog
charadriuss
condenser-tube pulling space
copperleaf
dals
Dawson Castle
deposit sale
direction of steepest descent
dolence
dyssynergism
EGYT-201
ephemeral grandeur
fiacitabine
flat grooved rail
frighten someone out of their wits
germ bomb
giraffe
hard-wired system
hedrich
homageable
in-city
inferior figures
input/output characteristic
inwardly opened casement
jarina
jeradas
Kamojima
large evening
Lebbaeus
lemniscatus
load overlay segment
lump-sum acquisition
magic world
Marianity
Methylacetoxyprogesterone
minophyric texture
morphological plasticity
Nigerian Civil War
non-linear field theory
nonequispaced
nozzle exist area
npfl
Nycopaque
olleo
original soil
p-chambers
pause delay
perthitization
photoreconnaissance satellite
phylartic
piller crane
pithecolobine
plasma arc cutting machine
power divider in tunnel
pseudocoelomata
quinquefoil
rap song
regional pact
repaperings
rope hoist
sandstone soil
scilliglaucosidin
second-order diffraction wavelength
selection of single traits
sort field
space weapons
speedometer take-off shaft
spontaneous transition
stellula vasculosae winslowii
stridulosai laryngitis
structural perturbation approach
television camera tube
tin(iv) pyrophosphate
tinkliest
trailing portion abbreviation
unit-type protective-system
universal plotting instrument
US dollar stocks
uses's file code
Uvarovka
V-necked
VoWLAN
wachsberger
word strap