n. 两人一起, 一队, 两人玩的游戏( twosome的复数形式 )
n. two items of the same kind
n. a pair who associate with one another

学英语单词
aceria spicati
amphiclinous progeny
an order blank
arland
autoadjuvant
be stinking rich
behind you
birthwort families
bismuthite
blast furnace dust
Bressay
cats eye
centre hardness
centre type cylindrical grinder
chalcopyrite type
character defamation
climbing speed
code level
colonial salmon
Coober Pedy
corpus callosotomy
costrecovering
debossing
deck washing piping system
differential centrifugation
dispirited
dithiophosphates
dorsakar
energy-resolution
entorhinal area
epinastic
esteemed
even grain
extra long range
facial hemiplegia
fault impedance
feige
flunker
fluorenediamine
Fox, Charles James
frowsted
gnomishness
grid-iron
heitmann
hydrostratigraphy
hyperheparinemia
Immersed Scanning
in-only
injection pump tester
Isomera
Kalahari
kiloyear
LADP
large grade
linear notch
locus of c.g.
long range navigation(loran)
Lycopidinae
meshuggeners
midi-dress
multiplecore
Mus'
mycetogenetica stomatitis
obeches
optochiasmic
orbital mechanics
Orthoxenol
parliamentary commissioner for administration
phials
phosphohydrolase
photophosphorylase
pilot boat
Pine Island
Pitman's asymptotic relative efficiency
pneumatic cement-discharging tanker
provisional agreement for sale and purchase
pseudosphaeriaceous
security-conscious
serial bond
Seven Pillars of Wisdom
shear band
signal transfer function
Smilax lunglingensis
snippiness
solid solution with twinning
song lyrics
stay in touch with
telemetry simulation
three-dimensional seismic raytracing
Topolnitsa, Yazovir
Tourangeau
tree-from language
TRICHOSTOMATE
tube conduction period
twp
unfastness
universal rule of international law
upper bearing shell
violator
volcanic bomb
whistle
Zero day attack