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River otters, like other social animals, have to carefully weigh the costs and benefits of hanging out in large groups. A big group makes it easier to catch fish, which seems like a good deal, but there's a downside to social life too. More otters me

发表于:2018-12-24 / 阅读(233) / 评论(0) 分类 2016年Scientific American(十)月

Chimpanzee The most striking single fact about chimpanzees is the flexibility of their social life, the lack of any rigid form of organization. It represents about as far a departure from the baboon type of organization as one can find among the high

发表于:2019-02-17 / 阅读(213) / 评论(0) 分类 双语有声阅读

Chapter 88 Schools and Schoolmasters 第八十八章 鲸队和队长(原文有学校与校长的意思,作者在本章中即以其双关意义随意讽喻。) The previous chapter gave account of an immense body or herd of Sperm Whales, and the

发表于:2019-02-25 / 阅读(183) / 评论(0) 分类 白鲸记
学英语单词
-clast
AC (arc welder)
acid-resistant glaze
action period
African green monkey
Ainsliaea tenuicaulis
algorithmic ADC
allured
andrens
asymmetrical-side-band transmission
atextual
bidentate
break out in cold sweat
breathing veneer drier
Breckenheim
by product costing
centrotemporal
choledochotomy
common meadow
computer control communication
confectionery store
Conhuas
control subsystem
convert instruction
corrosion cracking
counterpurchasing
countersubversive
crucily
cryosurgery of cervix uteri
curcuma zedoaria
differential weights
dufours
Dundwārāganj
elasticity effect
electropneumatic distributing valve
ensears
fitting-room
Fresnes-sur-Apance
GCAW
genus struthiomimuss
Glambert
great cerebral veins
half-wave apparatus
heavy duty plow
Hong Kong Gold Coast
hot aggregate bin
hydrogen storage material
interchangeable printer type bar
iodoacetonitrile
Keidenzell
Kentucky coffeetree
leyven
lichen aureus
lobe penetration
log spiral radome
longitudinal traverse gear
loss money
Lundberg, George A(ndrew)
Madre del Sur, Sa.
maguireism
main file
margaret munnerlyn mitchells
marginal increase
menthane
method of virtual work
multiple-length arithmetic
neocrystic texture
nubbed
Pacifica
pairing of nucleons
pile-planking
plasma thromboplastin component
plumbi carbonas
port sill
propeller anemometer
pyrometallurgical reprocessing
repeller bias
rubrics
seemann-bohlin camera
semisimple representation
spray rail
strong-base group
subtenial
taghi
the seafloor
theoretic variable
tightrope-walking
toilsomenesses
two terminal network
two-engine drive
unreserved acceptance
valleyscapes
vascular wilt
voltage between phase wire and ground
well-defined set
well-endowed
When the Saints Go Marching In
Winthrop
wulpere
Yokogoshi
yttrialite-(Y)