音标:[ˈpri:iɡˈzists] ;
v. 先前存在( preexist的第三人称单数 )
v exist beforehand or prior to a certain point in time

【近义词】
学英语单词
acs (american chemical society)
antilift wire
APAPA
atblow
audio spotlight
automated design (ad)
Averno
backup circuit-breaker
bilge pumping
bone matrix
booc
books of proverbs
carbonized oven
Chinese flowering quince
coelothelium
colmer
condensed skim milk
control survey classification
cosima
counterscheme
crack tip plasticity
cretinous
crotonal
CVPP-CCNU
deminiaturize
dental follicle
depletory
diploidisations
doen
earthquake light
Elm Point
Epimedium macranthum
flow orifice
fore-and-aft motion
forward combustion
fullen
ground fault neutralizer
hard face finish
Hoba Meteorite
hydraulic manifold
index cards
indirect principal offender
juicy couture
jumping hours jumper spring
karyogenic
kept pace with
kicken
laboratory animal
little-owl
Loldiani
management of boundary river navigation
managerial effectiveness
marlo
merab
mill solution
miscanthuses
missionising
monandries
Moore chain
Morlach
Muong Lam
needle detector
neoprene
Oldershausen
petalism
Poisson probability distribution function
power penalty
pre-booking
pre-diabetic
projection synchronism
pseudostigmatic seta
puccinia polygoni-morrisonensis
rhinolophids
Rhododendron websterianum
role-reversal
run-over-type turnout
sewage holding tank
sheeted ground
ship heading line
Skylake
space occupying sign
spinal fluid rhinorrhea
station capacity
stegana (parastegana) femorata
studebaker
subsimilis
sundry goods
superior thalamostriate vein
suppressed-carrier double sideband
tabnab
test fire point
thalicrine
The American Farmer
total risk factor
triphenylformazan
tuck in the hook
unemployed labouring population
vetivert oil
wagelessness
weaner pool and yard
well type manometer
wentzel