倒转层序

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(238) / 评论(0) 分类 数学英语

U.S. President Donald Trump says a meeting with North Korean leader Kim Jong Un will take place as planned in Singapore on June 12. The announcement reversed an earlier decision from Trump to cancel the meeting on the Norths nuclear program. The pres

发表于:2018-12-08 / 阅读(183) / 评论(0) 分类 2018年VOA慢速英语(六)月

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(292) / 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(228) / 评论(0) 分类 2014年ESL之商务英语

(WA) The Old Canada Road is a long-lost trail between the Canadian province of Quebec and Maine, in the northeast corner of the United States. Yes, it really was lost, and finding it again was a complex process that involved state-of-the-art technol

发表于:2018-12-30 / 阅读(149) / 评论(0) 分类 托福听力短文

One of the hardest calls I've ever had to make was to tell Larry that I could not accept the job. 于是,我打了有史以来最痛苦的一个电话,告诉拉里我不能接受这份工作。 Larry pressed me on why, and I thought about telling

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 向前一步

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(263) / 评论(0) 分类 Scientific American(八)月

The author of the The Age of Miracles: A Novel (now out in paperback) reveals the kind of I'm sorry that can turn a marital mistake into a moment of connection. 1. I'm sorry I locked us out of our apartment building that night last January, while you

发表于:2019-01-08 / 阅读(228) / 评论(0) 分类 英语小短文

Make a Splash! Now, the VOA Learning English program Words and Their Stories. This is the show that explains the origin and usage of common American English expressions. Today, we are going to make a splash! Yes, you make a splash when you jump into

发表于:2019-01-12 / 阅读(205) / 评论(0) 分类 2016年VOA慢速英语(六)月

AS IT IS 2016-03-19 President Obama to Visit Cuba Sunday 奥巴马总统周日出访古巴 President Barack Obama travels to Cuba Sunday, becoming the first American president to visit the communist-ruled island nation in almost 90 years. Obama admin

发表于:2019-01-12 / 阅读(223) / 评论(0) 分类 2016年VOA慢速英语(三)月

AS IT IS 2015-01-08 Nations Preparing to Deal with Climate Change 多国准备应对气候变化 In 2014, the United Nations released a series of climate reports that showed temperatures on Earth are rising. That is the bad news. The good news is tha

发表于:2019-01-12 / 阅读(349) / 评论(0) 分类 2015年VOA慢速英语(一)月

A: I met David at the post office yesterday. 昨天我在邮局看到David了。 B: Never mention him anymore. 别再提他了。 A: After all he is your friend. 毕竟他是你的朋友。 B: It is dead and buried. 那是过去的事情了。 dead a

发表于:2019-01-21 / 阅读(188) / 评论(0) 分类 迷你对话学地道口语

Dream what you can become A snake that basks in the sun The kettle cries when it's done Become it and just keep going The fight was losing it's fun And I never knew if I won It can live and die and become Learn it and just keep going A friend that yo

发表于:2019-02-11 / 阅读(161) / 评论(0) 分类 美国乡村音乐

No matter how carefully we examine a text, it seems there's always one more little blunder waiting to be discovered.But these 10 tips should help you see (or hear) your errors before anybody else does. 不论检查文章是有多仔细,总是还有其

发表于:2019-02-13 / 阅读(165) / 评论(0) 分类 阅读空间

单词 单词是文章的细胞,是理解的基础。但是,单词却是很多四级考生的最主要问题。单词应当怎么背?背什么单词书?在迷茫中,同学们买了很多的单词书,背 这背那,结果发现单词仍旧是

发表于:2019-02-18 / 阅读(180) / 评论(0) 分类 英语新闻

No matter how carefully we examine a text, it seems there's always one more little blunder waiting to be discovered.But these 10 tips should help you see (or hear) your errors before anybody else does. 不论检查文章是有多仔细,总是还有其

发表于:2019-02-18 / 阅读(159) / 评论(0) 分类 英语新闻

单词 单词是文章的细胞,是理解的基础。但是,单词却是很多四级考生的最主要问题。单词应当怎么背?背什么单词书?在迷茫中,同学们买了很多的单词书,背这背那,结果发现单词仍旧是

发表于:2019-02-19 / 阅读(178) / 评论(0) 分类 英语新闻

If you're looking for a challenging situation to practice your English, just pick up the telephone. 身在职场,打电话是不可避免的。对于有国际业务的公司来说,用英语打电话也是家常便饭。 Not being able to see the

发表于:2019-02-22 / 阅读(219) / 评论(0) 分类 实用英语

1. Can I have this delivered? 能送货上门吗? 还能这样说: Can you deliver this to me? Can this be delivered? 2. Can you tell me the delivery time? 能告诉我送货时间吗? 还能这样说: Can you tell me when it can be delivered

发表于:2019-02-22 / 阅读(144) / 评论(0) 分类 情景会话口袋书人际篇

The outer core is in many ways even less well understood, though everyone is in agreement that it is fluid and that it is the seat of magnetism. 外核在许多方面被了解得更少,虽然大家都认为它是液态的,是产生磁力的地方。

发表于:2019-02-25 / 阅读(180) / 评论(0) 分类 万物简史
学英语单词
a lucky dip
acanthellas
acceptor ionization energy
acehight
Adnan
analytical ultra centrifuger
artificial aqueductus
ben macdhu mt.
bergschrund
binary search routine
bons scheme
CaNa2-EDTA
cannon-type projector
cellular logic-in-memory
chroniques
Clitheroe
concentric orifice plate
cricket
dessaus
Diesel-cycle engine
diffuse sclerosing osteomyelitis
direct competition
double refining
egg specific weight
emonapride
endoenzyme
establishment strength
Falkland Lslands
Fauro I.
first item list
footballer
gamoda-misaki (kamata saki )
generalized convexity
grillroom
hasbara
Heads I win,and tails you lose.
hoeffding's independence test
hot water supply heat load
indifferent
innovating
intercepting search
internal expanding
Jackson County
Juilly
Kirkoswald
Lebesgue measurable
leonhard euler(1707-1783)
liquidation report
lite-on
lobules of thymus
magnetic inventory control system
maximum percent overshoot
mean square error of angle observation
mineral resources conservation
mushroom vent
mysteir
N.T.B.
Neoclinus
New Zealand white pine
non-relient pole
not by a long splice
Ogoamas, Gunung
Orth's stain
parlir milker
perce
phalangeal cell
pliobar
pointer finger
potassium hydrogen phthalate
proselytizers
ray tracing
real estate development
reason about
reset group total
resynchronize
rewirable
Schneidemühl
selfskimming
sidewise restraint
single-phase directional short circuit relay
sounding block
special privilege
statement of billing
Strang
strien
Suodenniemi
Takelout
target to non-target ratio
Telidon
tell one from the other
Theme-song
thermionic energy conversion
throttle valves
tide duration
to kill two birds with one stone
ulcus cancrosum
vecht
wall-projected shelf
western province (ysabel)
wet rotoclone collector
Whitomore bacillus
zenolite