衰变序列,放射系

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(65) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(82) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(81) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(73) / 评论(0) 分类 2014年ESL之商务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(八)月

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(44) / 评论(0) 分类 英语听力练习题
学英语单词
a brick layer
addition mutation
aerobomb
am-to-fm converter
armed merchant ship
audio-guide
Ballyconnell
beam bottom
bis-ethyl xanthogen disulfide (BXD)
Bozbā'ī
camphenilone
capturers
cataleptolethargic
coherent Raman scattering
coil method
comprehensive communication control program
counting mechanism
curved quadrangle
dashpot adjusting screw
dishonoring
Download video
drop hanger bearing
ectocervix
egyptian blue (vestorien)
emmae
exchange rate index
Fanore
ferroprussiate
filament activity test
fried diced pork in chilli sauce
front axle oil capacity
furapromide
furcas
gastrosplenic ligaments
general-purpose memory
Gentiana striata
Gibbons v. Ogden
gin stand
glycorandomization
hardyheads
high iron Portland
hot-bath quench aging
iaia
Ig E
jumbo ramp
liquid magma
list generation
live-in circuit judge
lower story
macrosporozoite
mainframe-class
marlineer
mean sheet number
mellgren
Middlesex County
middlestadt
minas de oro
molybdenum(iii) oxychloride
morbid physiology
mouchoir bank
mushroom-shaped cloud
neutral element
Okinawan habu
ovral
paraplegiform
pavelski
piezogenic papule
post-tensiioning
premetaphase stage
probabilistically checkable proof
protoMercury
pseudoxanthine
psycho-socio-
pull alongside
quasi-optimum strategy
quasi-royal
receiving water
recording by picture element
reference control amplifier
relay protection test
Ringwould
rinsing moistening
sand leek
screw around
sharp-shinned hawk
shikimol
site supervision
sodium peroxyniobate
spriaea alpina turcz.
stratigraphic test
strooke
take into consideration
tantalums
tax proposal
thyroid hormones
unborrowed
uncrossed polars
unfair transaction
ventilation stopping
VETF
wool dye
xiphura