硫酸 2-胺-5-硝苯酚

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(一)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 英语对接游戏

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(66) / 评论(0) 分类 世界各地新闻集锦

BRUSSELS, May 31 (Xinhua) -- Baby bottles containing the substance Bisphenol A (BPA) would have to be pulled from the shelves across the European Union (EU) starting from Wednesday, in a milestone move to better protect the health of EU citizens, an

发表于:2019-02-08 / 阅读(52) / 评论(0) 分类 英语新闻

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(50) / 评论(0) 分类 英语时差8,16

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
Acroyoga
african hemps
aide-de-camp
air traffic flow management
angle electric drill
antiempirical
apply for a visa
ardalan
Artemisium
atom-blitz
automatic-sprinkler
beta-L-Arabinosidase
bications
Brandenburg, Land
business nature
Bygdsiljum
Central Authorities
chees
circuit on side of overhead contact line
co-teller
cryptic type
de-individuation
departure times
digital input unit
direct response promotion
drift with the stream
dryomyza formosa
du-toit
emergency-call
expositor
fendered
frozen food store
gas turbine plant
Gray graph
half-butt
hand lever plunger spring
have come a long way
henessey
high power load
Huizinga
Indian sandalwood
individual skill
interest accured
Kompong Beng
laqueation
laser cascade connection
letterzines
made yourselves master of
microcosmoses
Muscoidea
nagioma
neighbourhood law centre
nitrogen recondenser
nondrivers
nonwelded
nuclei systematis nervosi centralis
oenanthe sinense dunn
on-line retrieval system
onerable
panela
parfait glass
pass-guard
PHLOEOTHRIPIDAE
psychopictoris
pubol
pyraliss
QA programme
restel
Roger, L.
Salou, C.de
sea lawyer
seaside barley
second antennal segment
sheep-cheese
shipping administration
Smith, Hannah Whitall
space astronomy
stackfreed
still-house
streamline ship
sublock
sun-and-planet gear
take a drop
tapioca root
Tarin's fasciculi
thieves' latin
time-keepers
trailing end
transformation of coefficient
unaccompanied baggage
upright line skeleton hand
vagina fibrosatendinis
varroa mite
warning of war
water-supply
wi-wi
wide beam
XT keyboard
Xtianity
Yule clog
zero-sum relationship
Zymonema farciminosum