2015年Scientific American's Six

If you are lost, you need a map and a compass. The map pinpoints where you are and the compass orients you in the right direction. Migratory birds, on the other hand, can traverseentire hemispheres and end up just a couple of miles from where they br

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Wilder protected areas get eight billion visitors a year, and that's just on land. Underwater reserves? add a million to the tally, which, considering these are protected areas, seems like an insane number of people. It isn't insane. Dane Blumstaine,

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学英语单词
academic demand
air separation plant
application for letter of credit
Aqtas
atteveld
autocatalytic chemical reduction bath
bardisms
biomedicinally
booking-offices
borah pk.
bracelets
bulling the market
cachexia thyreoidectomica
cerium-thorium getter
Chinese character
Clarke River
concurrence of crimes
corporate bonds and detentures
cotton linter disc
crescent shape
cycle motion
desideratives
dimension of partial ordering
dimyary
distributed bending moment
Drop anchor!
economic product
eigentlich
electric depth finder
electrogastrogram
engager
eolian constituents
euploea tulliolus pollita
fault bench
filing of working paper
fuel cladding
fully equipped
function entry
gear teeth burnishing machine
glyg
guajara
hand-worked roaster
Hemerocallis minor
heraldries
horse rasp
hydrometer Brix
ibj
imbalanced
integrated electronic system
japothrins
large high-speed machine
Lee Bank.
lifeskills
linear time delay circuit
Lloyd's Register UMS Rule
low-press
makahiki
meridian passage
metaxylem initials
mock turkey red
neocapitalism
new fuel facility
New World coral snake
parallel partitioning
pentagrid mixer
physiologic psychology
pocketers
polarized light servomechanism
postmortem findings
procoracohumeralis muscle
production logistics
promonoblast
punch off
pyche
resistance to axial compression
retracted type obstetric delivery bed
reversing gear
sanssouci
Schizopepon bicirrhosus
schottky source/drain
serratio peptidase
side dump bucket
silicon boride
slow falloff
stabilized supply voltage
state specified standards
stoppabler
subspace topology
sugarbowl
suraight joint
syphylis
tangible equipment costs
tangle with sb
tender sum
tonnage limitation
top-root ratio
Tricolporopollenites
verification of live part
vermiculi
water thrushes
weif
wrong draft