音标:[sæks] ;
n. (动植物组织中的)液囊( sac的名词复数 )
n. pl. A tribe of Indians, which, together with the Foxes,
formerly occupied the region about Green Bay, Wisconsin.

How Birds Breathe 鸟是如何呼吸的 Y: Don, flying is tougher than walking or running, right? So how come birds dont get winded and run out of breath? D: Actually, in terms of distance per unit energy, flying is pretty efficient . Plus birds have

发表于:2019-02-16 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest
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acoustic insulation mass
ait benhaddou
alkyl chain
Althiburos
Amphisopidae
antrum cardiacum
barleys
bass clarinet
berner
biglacialism
blown sand
bondagers
bouldered
bun-shaped
cabineted
carbon dioxide cryotherapy
card-carrying member
closures by compartment
cohesin
cold drawing bench
Congleton
content addressable parallel processor
cotyledonary sheath
crawley-root
daldis
dameson
deepsea ecosystem
device-independent program
diagram line
directive wheel
Docelan
Dragón, Bocas del(Dragon's Mouths)
enfoil
engine induction and ship's supply outboard valve
enter new order
excursion range
exhaust gas manifold
feyt
fill and pressure relief
first circulation
full replica simulator
gallery kiln
gantlope
generalizations
get one's liberty
giant daikon
grab-dredge
haushofers
Hectane
holding gain or loss
I.R.
infowmation
interalveolar space (or interdental space)
isointense
keeps track
KWIC
landammans
laser beam weapons
lateral postanals
load spreading property
London bullion market
loomery
LU decomposition
maiduguri
make settlement on sb
medullary corpuscle
Micrococcus glutamicus
microptery
modulus ratio
monolithic baffle
monomeric compound
mothers-in-law plant
mycotrophs
nofault plan
nonrefugees
office blocks
opsonometry
Outeiro
percoloration
physarum viride
plant selection
postacrosomal sheath
pupa incompleta
quadruple notation
raplot
reflex blue
remote track
restartable
rhombic form
risemen
Roscommon, Co.
rotating joint with multiple flow paths
schlomp
sheet metal processing
soil erosions
Stephen Sondheim
superparticular
synaetion
total combustion method
vegetally
vitomir