音标:['liːtʃɪŋ] ;
n. [矿业] 沥滤
v. [矿业][冶] 浸出(leach的ing形式);[土壤] 淋洗;滤取;滤去

This is one of the reasons why Canada, 这就是为何加拿大 originally a climate change hero -- 它原本是环保英雄- we were one of the first signatories of the Kyoto Accord. 我们是第一批签署京都议定书的国家之一 Now we're

发表于:2018-12-08 / 阅读(165) / 评论(0) 分类 TED演讲娱乐篇

Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger

发表于:2018-12-26 / 阅读(200) / 评论(0) 分类 自然百科2010年

Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r

发表于:2019-01-03 / 阅读(246) / 评论(0) 分类 VOA2003(上)-科技先知

Study: African Aluminum Pots Contain Lead 研究表明非洲铝锅含有铅 Locally made aluminum pots in Cameroon, and probably in much of Africa, are likely to be contaminated with lead ( (Courtesy: Occupational Knowledge International). Locally ma

发表于:2019-01-14 / 阅读(183) / 评论(0) 分类 VOA标准英语2014年(八月)

From Haridwar. I followed the Ganges more than 300 miles South east to the major industry city. India's population has more than doubled in the last forty years. It's now more than 1.2 billion people in the country. The impact on the river has been a

发表于:2019-01-16 / 阅读(155) / 评论(0) 分类 自然百科2015年

And we're replacing that with the largest industrial project in the history of the world, 将它转变成史上最大的工业项目, which is producing the most high-carbon greenhouse gas emitting oil in the world. 生产温室气体排放量最大的

发表于:2019-01-18 / 阅读(187) / 评论(0) 分类 TED演讲商业篇

Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger

发表于:2019-01-22 / 阅读(192) / 评论(0) 分类 自然百科2009年

Parenting on the move is all about sacrifice. And in the forests of northeastern Australia, another great journey spurred by parental dedication is about to begin. On translucent tawny wings, a little red flying fox flaps homeward after a night of in

发表于:2019-01-22 / 阅读(152) / 评论(0) 分类 自然百科2011年
学英语单词
3-ethylpyridine
al muwaylih
an old fox
apical sense club
arfvedsonite aplite
armlength
atp diphosphatase
attorney's letter
auto start job entry
Baalath
bat-wing
Bigfoot
Bohoyo
bounded reversal turing machine
brake capacity
computer-controlled memory test system
congruent number
corundite
de bruijn graph
deviatory
diesel locomotive crane
electric hair dryer
electroluminescent polymer
external stability of a solution
Feriana
ferroelectric axis
FHLMC
financial models
fox farm
fraction A prothrombin
furcillia
get caught in
glandular cystitis
gll. ceruminos?
gloeocarpous
hidebehind
incentive payment
interrogation
intestinal loop
Jimi Hendrix
jump-over distance
Karacaviran
Kariega
Knockninny Hill
KRBB
kron
kutztown
last test
Lauchert
locking medium
long playing rocket
material purchased account
mayster
midbodies
molluscrous bodies
Munderfing
name plate capacity
negative rail
nonloopback
nurse clinician
office furniture account
one thread dyeing
physically ill
pick-a-divant
platicodigenin
Pongpa-dong
potassium humate
program mode field
ptashnes
purchasing curve
quasi rigid rotor
radio frequency standard
RCONSOLE
redundant component
ribbon feeding
rosace
ruscogenine
saturable reactor
sea-sicknesses
sepaline
serosaprophyte
Serpasil
shield heat exchanger
sinus node
Sobral do Campo
stock saving bank
stored beets
the theory of probability
thyroid lesion
took up on
truck-stop
tupous
Two or three of them look familiar
under sail
vibration simulator
visual search time
wauthier
weak superconductivity
working volts direct current
xanthines
yellowish erythrosin
yotta-cycle