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(274) / 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(260) / 评论(0) 分类 2018年科学美国人3月
学英语单词
ADRAC (automatic digital recording and control)
air servobeake
Alanya
amethyst deceiver
apple-tart
artificial nutrient medium
astringing yin and consolidation of superficies
atherurus africanus
avoing
bachelart
beta prior distribution
bid sheet
boobie-trap
campylobacter
camshaft case
carpology
carrying value
Castiadas
caving without breaker props
chemicaltopology
child groom
co-executive
coding DNA
compaction percent
computer output microfilm recorder
coriaceo-reticulate
cpaf
creamed corn
dewaxed oil
differential shaft
dimethylphenylcarbinol
dispira
earth radius
egoist
electron donating group
Ellendale
fluvious
flying-bombs
frictional let-off motion
gassit
giardinelli
greentree
heading hold
het-up
hirtleberry
hop extract
hougie
hyposynchrony
independent variable
interactive paritial order
invaro
john lennons
khodorkovsky
Klerksdorp
kristiansenite
Lepisosteiformes
material used
molavi
noiseful
non-linear non-equilibrium thermodynamics
nothing doing
ocean going ship
parao fibre
paulownia recurva rehd.
percher
prestimony
Punnett square
put your tongue out
radar neutralization
regular review
revictualled
root tuber
samaderins
San Lucas, Sa.de
sartini
shear theory
sheva
sight see
simple absence
single-burner
slaintes
smut funguss
snap flask band
Solvency Fund
sound motion pictures
special pathology
station pair
stymmer
sysomys
table of frequency distribution
take a leaf out of sb.'s book
to worm
togthers
tool consignment record
tpk., tpke.
unsuperior
water hatch
water-softeners
WFTU
woltz
wood frame panel wall
zero intermediate frequency