泥沙取样

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(146) / 评论(0) 分类 Scientific American(九)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(十一)月

QC procedure 品管流程 What issues do we need to address to work out new QC procedures? 在制定新品管流程之前,有哪些問題必須先處理? quality standard 品質標準 This year, Metro Factory experienced a noticeable decline in q

发表于:2018-12-31 / 阅读(200) / 评论(0) 分类 商务英语必备1000字

084 Donkey and the Load of Salt Once upon a time, a salt merchant moved from place to place selling salt. One day, he was walking on a bridge over a stream with salt loaded on the back of a donkey. Yo-ho! Yo-heave-ho! Donkey and the Load of Salt The

发表于:2018-12-31 / 阅读(316) / 评论(0) 分类 100个儿童英语小故事

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 2017年VOA慢速英语(五)月

1.audit 审计 2.attestation 鉴证 3.credibility 可信赖程度 4.audit of financial statements 财务报表审计 5.agreed-upon procedures 执行商定程序 6.high levels of assurance 高水平保证 7.compilation 编制 8.reliability 可靠性 9

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 财会英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(四)月

Once, there lived a peddler. The peddler sold all sorts of goods.sturdy shoes for the farmers and pretty trinkets for their sweethearts, warm, woolly shawls to keep the women warm and sweet, sticky toffees for the children to munch on their way back

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 英语小短文

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(126) / 评论(0) 分类 VOA标准英语2012年(十月)

A bus load of politicians were driving down a country road when all of a sudden the bus ran off the road and crashedinto a tree in an old farmer's field. The old farmer after seeing what happened went over to investigate. He then proceeded to dig a l

发表于:2019-01-16 / 阅读(198) / 评论(0) 分类 趣味英语

After the French had left Moscow,two peasants went out to search for treasures.One was wise,the other stupid.They went together to the burnt part of the city,and found some scorched wool.They said:That will be useful at home. They gat

发表于:2019-01-16 / 阅读(173) / 评论(0) 分类 趣味英语

Talking about work load A: Thank God! I am finished writing that service guide! It took me forever! B: When did you finish? A: This morning! No more overtime, and no more headaches! B: Well, Im glad to hear it. Have a cup of coffee! 议论工作量 A:

发表于:2019-01-20 / 阅读(227) / 评论(0) 分类 办公室英语口语

1.Bending 弯曲 A: What kind of parts do you usually need to bend? B: Tubular parts or stampings. A:什么样的零件一般需要进行弯曲加工? B:管状零件或冲压件。 2.Cycle time 工作周期 A: What is the cycle time of the injection molding machine? B: Three

发表于:2019-01-21 / 阅读(123) / 评论(0) 分类 天天商务口语

发表于:2019-02-01 / 阅读(169) / 评论(0) 分类 财会英语

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(158) / 评论(0) 分类 英语新闻

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(136) / 评论(0) 分类 阅读空间

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(160) / 评论(0) 分类 实用英语

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(166) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(161) / 评论(0) 分类 托福英语

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(151) / 评论(0) 分类 英语口译
学英语单词
Ackert-Keller cycle
amphixenosis
arrange about
as a matter of routine
avibirnavirus infectious bursal disease virus of fowl
bass -baritone
bikini
branchial arches
brushless DC servomotor
butt shears
chain cutter
checking command
cromlech
dapoxetine
DFSU
diffusate (gas)
dredge sth up
dredging mark
earthingup plow
ectocellular enzyme
electric-driving power supply equipment
eliminating spiritual pollution
Emmet's needle
eye-nut
eye-reach
Feodosia
feudatary
flexible linear shaped charge
function relay
glycine methyl ester
grain drill
Gzhelian Stage
henon
holographic readout system
hydraulic efficiency starting
hypophysial
immunoglobulin D
keep down prices
kitassato flask
La Oroya
like something the cat has brought in
Lomira
M (medium)
m. obliquus abdominis internus
Marxheim
Maël-Carhaix
microsorium punctatum (l.) cop.
N-formyl morpholine
names of voices
national climatic data centers
nominal group technique
non essential stipulation
ocular paralyses
Ophiacodonta
oxygen jet steel
ozone intoxication
peeg
pjs
plaintain
planetary gear set
plate constant
playback session description file
potassium antimony
pre set sequence
preterits
primary planet carrier
privateered
prodeath
pulvis liquiritiae compositus
radio sounding apparatus
ratio between gold and silver
records
refrigerator cleaner
repair track in station
response surface
reverse flow cooling system
rezzed out
roll on ___
sample switching
satinetta
Sharāf, Jab.
siddique
side board system
sight payment letter of credit
siphon trap
soft boiled
step-by-step decoding
stone paper
strata ganglionare retinae
Sungaikakap
sychnodymite
table handwheel knob
tax sharing
thimble-shaped
two-high rolling mill
two-stage pump
universal-joint assembly
uranitic
vena choroideas
VPBCPR
Wassy
winch worm bearing cover