二氢氧化二甲苯砷

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(82) / 评论(0) 分类 英文魔法师字源大挪移

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(十一)月

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(124) / 评论(0) 分类 英语新闻
学英语单词
abutting building
accumulation of severe pathogenic cold
Air Force special operations detachment
air hoar
alternative motor fuels
antennal foveolae
antilipase
antivenene unit
astragalus alpinuss
atolin
axial cord
bird manure
blether
brachygnathism
campinas
cased hollow ware
cheat grass
constant bearing navigation
consumer durable goods industries
crawling traction
critically damped circuit
demi-cadence
direct contract
distributive search
documentary remittances
drossy coal
drum out
Elsner's potato gelatin
Errolichthyidae
ethyl anisate
family Melanthiaceae
family of circles
fast timing
fitted train
gear shift lever ball housing
Gentiaverm
gittels
go through a rough patch
ground-contact
hajjahs
Hawkins cell
herpetofaunal
high wet strength paper
immature wood cutting
in-line piston pump
kebleh
leave sb in peace
legal formalities
loimic
low-temperature camera
Lygodieae
magnetoresistive square sensitivity
make something of one's like
mammoth structure
MARMAP
maxillary cheek tooth
mesonephric unit
monetarily
multitool
named entry
Nueva Granada
one-runs
one-timer
optimal capacity
phyllachora phyllostachydis hara
pictoric
pinchcock
planter sweep
polysemic nature
poor grade
Primula bracteata
psionic
psychiatric nurses
pure sound
rational adopter
readjustment of field plot
release types
retter
reulcerate
rockallite porphyry
Sagada
scillidiuretin
Sierentz
sit up late cramming
situated at
skordoite
soft launch pad
SRD (Safety and Reliability Directorate)
steel deck house
sub contracting
system development methodologies
three seascapes
TQC
transit micrometer
underground communication
up-convert
urgent attack
warm-cored disturbance
weed sb out
whole-arm transfer
xylophile