正常工作条件

DIALOGUE 92 1--Would you like some tea? 2--I'd prefer some coffee, if you've got any. 1--Of course. How do you take it? 2--white with two sugars, please. =================================== 注解: 1)

发表于:2018-12-03 / 阅读(40) / 评论(0) 分类 英语经典听力对话

For many people summer equals tomatoes. Thats when folks can get their hands on gorgeous heirloom and traditional varieties, full of tomatoey flavor. Such tomatoes provide a stark contrast to year-round supermarket ones, famous for tasting like, well

发表于:2018-12-24 / 阅读(42) / 评论(0) 分类 Scientific American(六)月

DIALOGUE 64 Coffee Time 1--Would you like some tea? 2--I'd prefer some coffee, if you've got any. 1--Of course. How do you take it? 2--white with two sugars, please. ==================================

发表于:2018-12-27 / 阅读(66) / 评论(0) 分类 英语听力训练连载

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? Altruism poses a problem for the theory of survival of the fittest. If we help others at a cost to ourselves, nice-guy behavior should die out, because we are giv

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(四)月

JUDY WOODRUFF:For the first time in two decades, the federal government is making significant changes to the nutrition labels on the food and drinks you buy at the store. Jeffrey Brown sorts through the details and what the changes are designed to do

发表于:2019-01-27 / 阅读(27) / 评论(0) 分类 PBS访谈健康系列

UNITED NATIONS, March 4 (Xinhua) -- The World Health Organization (WHO) on Wednesday called on countries to reduce sugar intake among adults and children to less than 10 percent of their total energy intake. According to WHO, a further reduction to b

发表于:2019-02-06 / 阅读(31) / 评论(0) 分类 英语新闻
学英语单词
a matter for wonder
acid neutralizing capacity
addressable-pollable terminal
allmans
atresia of portal vein
aurilia
automatic digital calculator
ayden
barmy sponge
blb
brass-founders' ague
c-murder
capillary gas chromatography
Carex infossa
clotting
co-counsellors
complex formability
continuous boil off machine
coolweed
corpuscles
costus oils
counter-subjects
cricketings
depletion effect
dijoud
dose limit equivalent concentration
effective bandwidth
enabling bill
enow
eoct
extranucleic
Faido
fast data
fatty peroxide value
Fenzel glasses
fire-hunt
Gardar Ridge
genetic type of stream
gerlachovsky stit (gerlachovka)
heterodermic
heterosaccharide
ionic tube
ionosphere sounding satellite
job processing word
laboratory mouse
lay siege to
Le Bouscat
lemon cheese
liriano
localized fertilization
lumber cargoes insurance
MAC Layer
meandering channel
modulus of volume
Monte San Biagio
nothing to do
oleophylic colloid
opening in shell
paratrechina kraepelini
pazzi
pentacite
personal resources
pinchgut
pneumobronchotomy
porogen
promise to pay
pulse modulation IR-system
pyloric canal
pythium pleroticum
quartz-crystal controlled FM receiver
raw count
real analytic curve
rectifier type echo suppressor
regional pollution
revetement
rhesus-negative
Rocca Sinibalda
rogative
Roger Hunt
Rosellinia malacotricha
Running on empty
sanscara
saturation magnetization
self-maintaining dircharge
sequencing time
short tunnel
signal strength and center frequency
sinklike
sixth-former
sooties
stalland
stannates
sulfur cone
Sun Quan
surface mount
surfaceward
tramrail
trans-sarcolemmalchannel
transgression breeding
transition town
unconnected depositor
zeps