(underworld 的复数) n. 下层社会, 地狱, 下流社会
plural of underworld
n. the criminal class

学英语单词
adiabatic following
air-hostess
anonacein
antiselection
ashlar line
asthma
Awe inspiring
bacterial exanthems
bertsche
blocade
Brani, Pulau
bureaucratic model of decision making
Burujird
capitan mts.
carabineer
chain lifter braker
clear hawse slip
collision orogeny
conjugate vaccine
cons us
continuous toolbar cultivator
corner armor
craniocerebral trauma
cyclopentane tetracarboxylic acid dianhydride
dentalised
dicyclo-
dielectric force
difficult load
El Patrocinio
equalization of earth work
estolide
external gauge
face mounting
facial cranium
fairy
faxnow
fellfields
fibro-lamellar tissue
friction heat gain
gearless drive
generalized upper bounded techniques
have one's work cut out
hertzberger
hot impact
HPSWS (high pressure service water system)
hypophysial hormones
indodiazole
isolation butterfly valve
Jerada
kitchen garden
left sided system
liquostriction
load-block
locum tenency
lordier
loyala
lymantria
manganese loss
Mistress of Adriatic
monoclinal fault
multicystic
muttering
network-connected
New Calabar, R.
nfyb
non-autonomous
off-line monitor
order Actinomyxidia
overplaw
parabola approximation
paraffin-base oil
physical capital stock
pig weight at weaning
pizza stores
polarchies
pottery industry
pristipomoides auricilla
rate of on-time runs
relative independentability
repeal a decree
reponderation
sailing goods
Saussurea semifasciata
say sb nay
semiplantigradation
single double line layout
snooker table
sound-speed gradient
speed regulator electromagnet
square impact
standing dish
super-heavy elements
tangled up in something
task management system
tassal
trough belt
truth in broadcasting act of 2005
tunnel signal
two dimensional geometry
Vasyugan
working days of 24 consecutive hours
x-ray diffuse scattering