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Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(425) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(142) / 评论(0) 分类 新东方背诵文选

Abductors - muscle taking a limb or the jaw away from the body. Acetyl choline - Aneurotransmitter substance found at all cholinergic synapses including those of motoneurones at the neuromuscular junc

发表于:2019-01-03 / 阅读(35) / 评论(0) 分类 医务英语

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(69) / 评论(0) 分类 VOA常速英语2008年(二月)

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2015年VOA慢速英语(七)月

Science and technology 科学技术 Hotel hygiene 旅馆卫生 Mind the remote 当心遥控器 The next time you check in 下次你在办理入住手续的时候 3_副本.jpgNO ONE likes to think about who was in their hotel room before them, let alo

发表于:2019-02-24 / 阅读(50) / 评论(0) 分类 经济学人科技系列
学英语单词
11-Deoxy-17-ketosteroids
agrypnia
ahyi
Anserma
at the first glance
audio masterings
Ayiasos
backwrap
Bartragh I.
bisabolangelone
breakingoff
brigueless
catenatus
chick lit
coercivity meter
cold acclimation
composite coil
controlled mercury-arc rectifier
corn-cutter
cowl-neck
cryofracture
dolabrata
Doppler frequency indicator
dumpsters
easy-to-remember
elise
equivalent annual cost method
exessive indebtedness
expellees
ferrous series metal complex
Fildes Point
finish bead
fractional root
fusion tank
ganci
gas liquefied
god-knows-what
hayashibara
host-killing efficiency (luria & delbrck 1942)
input output coefficient
input/output queue length
inter-related
key establishment algorithm
khawaja
Kreva
Lobi hepatis
Long Marcher
malayan tapirs
maritime cause
maternal uncles
mean sidereal time
med-mal
misfounding
motorshow
musicums
Médina Dakhar
Natanya(Netanya)
newworid cheese
nonanxiety
normal isotope abundance
North Platte
occlusal attrition
one-toone
orange-ginger
pass through many hands
patent protective
phosphorothioation
pinchbar
Piotrkowice
plug ga(u)ge
polyarches
potoplast
print density control
production of smoke
propeller laboratory
puerperal sepsis
quadrature-axis synchronous impedance
Raabs an der Thaya
radio frequency cable
rail facility
recall level average
relative peak area
release hook
ring intrusion
rolling track
Salmonella bareilly
satellite fundamental frequency
Scarfe, Gerald
selected data point
sempervirentiprata
single-pole reclosing
solder stick
special logic
stamp one's drum
tramp route
trifasciated
uncogitating
undermodulate
visible cleanliness
water current
Zeune's law
zonal harmonic function