氯化乙基(3-羟苯基)二甲胺;氯化滕西隆

14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a

发表于:2018-12-07 / 阅读(197) / 评论(0) 分类 英语范文背诵20篇

5人 Actors: Tavern Keepe:(男主角) Young Man Keeper's Wife(女主角) Young Man Old Man Summary: Once upon a time, there was a tavern. Travelers and hunters would exchange silver ingots for copper coins and eat some food there. The tavern keeper a

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 英文剧本

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(107) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(64) / 评论(0) 分类 自然百科2009年

BBC Learning English People and Places Sun Hai Nin SIG Sun Hai Nin: Well, hello everybody Im Hai Nin, Im from China and now Im in London. William:And Im William Kremer welcome to People and Places. You just heard a young Chinese Woman, Sun Hai Nin.

发表于:2019-02-03 / 阅读(136) / 评论(0) 分类 人与地方

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
anal shield
antenna resistanc
APD (angular position digitizer)
arc-energy
asymmetrical afterbody
asynchronous access
base pairing rule
base power
benighten
Black Rock Desert
Borrelia anserina
cascade unit
catholicizes
celerie
chain of custody sample
chain-reaction polyaddition
cloak-and-sword
common dab
community house
decay width
double pick up tongs
down turn
duncely
end week covering
euphyllia paraancora
extrusion die
fat pine
flapping flight
front-projection screen
genus Loasa
good-will value
group-frequencies
haraguchi
HBID
heaven for restless angels of mercy
hyperkeratosis excentrica
impregnated carbon
instrinsic semicoductor
interior draft
intra transaction
johnny appleseeds
khornes
kufiya
log-transformed
logging correction
lombricine
market acceptance
mating-type locus
maxwell-turn
minimax robust estimation
Monate, L.di
multicore magnetic storage
nanningensis
nearest neighbor classification
non-galvanized pipe
octupolar
ocular counterrolling reflex
operands
order pedipalpis
peptids
physarum straminipes
PIARC
plain-grating spectrograph
Presbytis
prescribed number of passenger
priest-vicar
pyrometallurgical plant
quodlibetic
quotitive
radioactive substances
rebail
restancy
rubber bowl printing machine
salary structure
Samjiyǒn-gun
sers
sexogenic dwarf
sludge collecting board
Someone's name is mud.
spacing board
spheoid
St. Thomas a Becket
sun-drencheds
tape recorder of digital logging
taper pin with split
temperate mixed forest region
three-wire leveling
time differences
trailin
ultrarevolutionaries
un-makes
uniforme
unruled quadric
unscheduled withdrawal
VARR
vobla
waldbauer
wankie (hwange)
water mocassin
water-bornes
wedge-opening-loading
zoeller