退化石化

Learning: a Lifelong Career As food is to the body, so is learning to the mind. Our bodies grow and muscles develop with the intake of adequate nutritious food. Likewise, we should keep learning day by day to maintain our keen mental power and expand

发表于:2019-01-02 / 阅读(280) / 评论(0) 分类 精美英文欣赏

Rotting Flesh Offers Insight on Fossilization The fossil record is far from being a complete library of everything that's ever lived. 化石记录不止是曾经存活生物的藏书阁. The vast, vast majority of everything that's ever lived has com

发表于:2019-02-14 / 阅读(270) / 评论(0) 分类 2018年科学美国人3月
学英语单词
a nads
abhenrys
acute accent
alms boxes
ambiguous figure
aminoxides
anabantoids
and note
anterior semicircular canal
arrival bill
asramas
auxiliary scale
azo imide
ball and cage assembly
Ballymoney
blank experiment
boies
bum bailiff
cantatrices
cerium alloy
Chaetomorpha
chromosome assortment
cleaning blower
cobbler's chest
Corydalis longibracteata
cut down the consumption of raw materials
cystic adenomatoid malformation
data services
dating-violence
demulceate
detention centres
disckectomy
diurnal arcs
electric locomotive shed
electron beam semiconductor device
electronic speed sensor
eranulase
erroll
erythema paralyticum
euchymy
extrusion conditions
fishery regulation
flame-orange
fringe benefit costs
gaulty
general views
gier-eagle
Hardanger fiddler
hydra (ydra )
hydraulic cylinder piston stop rod
ill-begotten
immunosorbents
impedance match
industrial association
input/output command list
istana
Kinoe
La Grave
Lipsk
mania of raising chickens
microbial contaminants control
mulberry sucker
NEQ
network harms
nonlinear network analysis program
nuclear reactor monitoring
orbita
parting flange
pedal transformation
personal-circuit
persulcatus ixodes
Petrmyzon
potassium-nitrogen fertilizer
projection aligner
pure tone
query interactive processor
relation oriented leader
retina pigment layer
rhizotonic
Rhodomicrobium vannielii
salpingostomatomy
second category axis
serrell
softies
St-Simon
standing light
straw stacker
suburban environment
sulfide (sulphide) impregnation
supracrustal rocks
total transmission factor
truth is stranger than fiction
uniform crake
untweaked
us ex-
vagin? tendinum mm. flexorum digitorum pedis
vegetative sand control
Vicia tetrasperma Moench
wastepaper bin
water proof bulb socket with switch
weathering product
west by north