固氮细菌

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

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(34) / 评论(0) 分类 2006年慢速英语(二)月

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)

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
Abergwesyn
acanthocytosis
akagi
allocation method of working hours
auadricuspid
Augustine of Hippo, Saint
berlaymonts
bipolar mitosis
bobskate
bone atrophy
box toe gum
brake strap (brake band)
butylated phenolic resin
CACOM
cesarean hysterectomy
Ceyreste
chef
Citizenship Day
cold feet
columbia-presbyterian
congenital auricular cyst
continuous bump
convectively unstable (line)
criticality incident
deprive sb of your company
deterministic input
differentiation of bladder diseases
discrete module
dopaminergic system
federal tax lien
fingerprint man
fratkin
full feel
gaplessly
gorettis
graphic meter
grease skimming tank
hectic fever
hinge-line fault
hopital
idndr
innovation policy
inserted tooth circular saw
inside pitch line length
lactosidosis
limitation of actions
localized corrosion
lock-ups
Luminaletten
make a bargain
margin stock
markoff chains
microdecompression
moerchiella spirata
North Weald Bassett
pasture season
patch-tested
pedodontist
physalis viscosas
pick your battles
pigwashes
placental alkaline phosphatase
policy-formations
premature antifascists
propazine
prospective scheme participant
proworks
Puccinellia anisoclada
Puccinia bistortae
put sth down
queen mothers
qvod
Rajang, Batang
reassemblies
resistants
rigidity of flange
Ryanair
saunders-roe
scoops out
sharon stone
single-station forecast
Slaidburn
soupless
space character
stagnation point movement
steam chamber
Stearn's alcoholic amentia
submaxillary nerve
sum of infinite series
sunshine time
supramandibular
SWG
take someone down a buttonhole lower
tantalum die
thermal inactivation temperature
top tank
track cycle
transamerica
UHMWPE
ultraviolet lighting
vertical log
wolfheads