音标:[eksˈtə:nl ɡaid ˈsi:kwəns] ;
[医]外在引导序列,外部剪接指导序列[于被剪接的mRNA分子外部的剪接指导顺序]

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(80) / 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

如果你的生活并不称心如意,不要只说:我们的时机会来的。或总有一天情况会好转的。 Don't just stand there Many people think that they have to accept whatever life throws at them. They'll say, This is my fate, my des

发表于:2019-01-02 / 阅读(76) / 评论(0) 分类 精美英文欣赏

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.c.-d.c.receiver
aboast
acid reduction
AGMR
art bulb
Arthrothamnus
atomic number 77s
back on ones feet
be foreign to
bear grudge
bill payable maturity book
block-letter
brumates
cesium-beam clock
circular double dispersion
closed cell sponge
cluidized column
cock-cheese
comparison of optimal to suboptimal plans
contraction allowance
copy of draft
credit lines
cyclohexylidene
date first marketed
Dogberryism
double-tube sheet
dual exchange rate
ear boil
engine-driven fuel pump
featherweight
Fornacis
gas-bearing structure
goot
helicoid screw conveyer
hifo
horseshoe flame furnace
impreza
infonauts
invisible character
irreplicability
jacket structure
kinza
knappertsbusch
list of document
long-term consequence
lubricating oil header
magnetic heading
mckillop
metasthenic
methylflavonolamine
miram shah
murdocks
musculotendonous
neest
nonspastic
number of motors
objectionabilities
oil film bearing
order of presentation
P.A. particular average
packaging process
pagnes
paidopsychology
pecksniffian
performance benchmark test
placenta previas
postexisted
price right
primitive coelom
pterolophia dorsotuberculare
radioactive-waste
recovery from
rectal tumor
red rice satrter
regular calibration
resheathing
ring substation
rock bottoms
same date
San Blas
self guide
sense of fault
shearing factor
short haul carrier system
Short-term trend
Software utility
Spiraea teretiuscula
stepping-stones
subjective utility
subscript value
svelter
temperature resistance coefficient
terreous
the passive
therapy dose
trifolitin
tunake
us re-
warm-up
web eyelet
whole number portion
wood pulp carrier