化学合成自养菌

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(424) / 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(141) / 评论(0) 分类 新东方背诵文选

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(67) / 评论(0) 分类 VOA常速英语2008年(二月)

HealthReport-GutBacteria:WeAreWhatWeEat This is the VOA Special English Health Report. The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are expl

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2011年VOA慢速英语(九)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(112) / 评论(0) 分类 2015年VOA慢速英语(七)月

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(47) / 评论(0) 分类 英语新闻
学英语单词
-piece
active four terminal network
all correct
androgen-producing tumor
antifermentative drug
apsychognosia
atterberg grade scale
barrel organist
be potty about
binary magnetic core
bio-x
boiler following control
broadband network module
calfskin leather
cashing interest
cause i believe
chlorinated PVC
cis-diamminedichloroplatin
combi
communitization
cryogenic propellants
daylight exposure
dispossesses
earth wall
ECMTNG
excitableness
exergonic
Fahrenzhausen
fast-compression cloud chamber
fervidness
fixed sea mark
friction geared winch
gaily-coloureds
gamma-loop
glint lake
graviditas ovarialis
heat of mixing
Helpmann
hemiculter leucisculus
hymenopteran
hysterocarcinoma
if one can help it
impregnated graphite materials
ionic
iron silicon alloy
isogonal conjugate points
Keavy
keep one's mouth shut
key bed,datum bed
kitchen mechanic
line procedure specification
lordify
lot by lot
maintenance intervals
makes the rounds
Masein
meady
Meta-synephrine
methylsystox
minisome
Needmore
neothaverine
normal cost accounting
on right hand
out-cycle work
over-drowse
phoenix club
plastic crate
pootie tang
property in copyright
pseudo-velocity
red cedars
replicated data base
RF ion plating
rim clamp
sabow
sand hook
Schron's granule
scsis
sheboon
shell core drill
short-range
simpatiaji
skavler
SP 1103 tetramethrin
speciala
stannous fluoborate
stellar-mass
svcc
symmetric stability
tendrils
to be hot
tohous
Tomorrow never comes
transformer tap
triangular-shapeds
trisodiums
valse
velichkoes
vibration influence of microphone
Wolter's methods
Zentraferin