(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
1-vicine
air dehumidifying
air furnace
bellicist
bipolar transistor parasitic effect
block-shaped
Buriti Bravo
butchers knife
canned cut beans
change position
cinema
colour coordination
compages of thorax
continuous flow ultra centrifuge
criminal personality
cutresses
DIALOG Information Service
distortion optics
do one's possible
donors
double scull
double-mode Cepheid
double-punch
dynamic divider
Engelhardt value
erigone koshiensis
ethylene glycol coolant
exposure chart
finish applicator
floggees
food-truck
foreign-language
form setter
full immersive VR
galant style
gel layer
gelatiniform carcinoma
Giding
gornall
halogen-quenched counter tube
Hulja
in sb's hands
interlocked operation
ionic strength
ironings
job grade
jocundly
judicial declaration
k.i
kick balls
kuluns
kyschtymite
leatherleafs
lesser scaup ducks
litter lout
logical twin pointer
magnesium-melanterite
mannagrasses
matches
Mazus fukienensis
medicinal cotton
mercapto-
microkelvin
normopath
notice to navigator
nursegraft
occupational image
pearl divers
petulantly
precoitional
recessus membranae tympani tegmentalis
reefing operation
rod-shaped micelle
saddle-bum
sauterne
Schanz's disease
serial independence
serum fibrin degradation product determination
sheargraph
sheath rot of rice plant
simposio
so on
spark lines
star wired ring topology
static data structure
supernature
surfacing lathe
suspended hunting area
target detecting device
terpilene
tertiary egg envelope
tetraneuriss
thermodynamic soil system
trade character
transducer orthomode
Turquino, Pico
ultraviolet pigmentation effect
user batch job
vena femoropoplitea
viro-
warn away
work of field crop production