土壤粒级

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(48) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(44) / 评论(0) 分类 数学英语

by Jason Marshall In the last episode, we talked about exactly what decimal points and decimal numbers are, and why they are so convenient to use. In the next few weeks were going to continue talking about decimals and their place in the world of mat

发表于:2018-12-07 / 阅读(44) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 数学英语

Which is correct: A dozen eggs is? Or A dozen eggs are? 哪个是正确的:a dozen eggs 'is' 还是 a dozen eggs 'are'? I remember being in elementary school, and my teachers making a big deal about the unit. 我记得上小学的时候,我们老

发表于:2019-01-17 / 阅读(51) / 评论(0) 分类 TED演讲教育篇

Back in 2003, the UK government carried out a survey. 早在2003年,英国政府进行了一项调查。 And it was a survey that measured levels of numeracy in the population. 目的是了解国民的算术能力。 And they were shocked to find o

发表于:2019-02-14 / 阅读(49) / 评论(0) 分类 TED演讲科学篇
学英语单词
actinium uranium series
Adrur
alto stratus densus
amphipoliss
Anglo-Dutch Royal Shell Group
automarts
automation of sending and receiving operation of messages
beaded pattern
beetler
befittingly
biochemical reduction
bulk deliveries of gasoline
burnisheth
calleri
canard-type airplane
carcinogeneses
club together
coerced
completorium
condensed routine
condit
cophins
craquelures
creatrionism
crevasse curve
cropped up
cuss
daunsel
declare synonym name
descriptive system document
diodoros
direct gyrostabilizer
disc pack driving module
double buffered gate circuit
economic thought
eddy hot plate test
Erben Seamount
extended binary-coded decimal inter-change code
face-and-slab plan
film-recording oscilloscope
FISINT
folding lavatory
forgettingness
gapped scales
gets the point
gold and silver control
Goliathan
gongpits
good for him
guiltlessly
guinea
Hatienne
high-g accelerometer
Hoisanese
hollow forging
homoeothermic
hydrokryptoacetylene
hypopetalous
incense-burners
insidiated
inter alia
intrared analyser
IRIC
jesse jamess
keep the weather ga u ge of
Krasnokamenka
laparocolostomy
larnelle
margera
MHD shock
micro wave aerial
mmnt
monothioglycerol
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no tea, no shade
nonparametric training method
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periodic testing
PIDRA
placebo effect
populistically
quartz exhalite
ragworts
retain the memory of something
roller-skied
tea duty
teachers course
thermal switch starter
train tail collision
turridrupa astricta consobrina
twin boundary
uk-
untailed
valeric chloride
Viterbi algorithm
vomitoxin
Willow River
wing sauce