音标:[ˈpri:iɡˈzistid] ;
v. 先前存在( preexist的过去式和过去分词 )
imp. & p. p. of Preexist

【近义词】
学英语单词
a word or two
abscondent
abstracta
aceburic acid
adjustable counterweight
Aikuanian Age
air knife
amplitute
anomala rubripes virescens
antiphlogistic
arid plain
array station
AT&T
automatic information retrieval system (airs)
avuncular relation
be in necessity
bertonis
biological specimen
Bogia
break the heart of
Bulungu
buried ice
Buynovo
captionless
cast carbide
charidee
chattris
configuration control board
contrariende
Corydalis lagochila
critical-pressure ratio
currentcollector
cystoscopic ulcer
damants
dehydrocortisol
Dinintel
diver's air bottle
ebbing away
emergency feed pump
escarlata
foreign asset
FTTB
fuel piping system
gantt scheduling chart
glass microelectrode
gleter
i will be back
imbowers
in-role behavior
indxeable tool holder for turning tools
interlock bypass
khi
laser isotope separation
lattice plane spacing
left auricular rhythm
lumbovertebral
market-related interest rate
mccarville
mcs (megacycles per second)
mexicalis
monoprotected
multistage column
noncrippled
oculogyria
overconfident
p-nitrophenol
pack house
phytoflagellate
positive inotropic drug
precortisyl
program libraries
pulsation calculating method
quant.
quartiparous
reducible polynomial
reflexions
refractory fibres
reinterviewing
right bladed propeller
Rinne's test
semi-displacement
semihexagonal
simple pulg monary stenosis
Sirba
Spanish Pt.
sram circuits
staphylinid type
strong wind fumigation plume
sulphation
t'ao t'ieh
tank circumference
tantalpyroclore
The bishop has played the cook.
tribosystem
trichoepitheliomas
tuck net boat
upthurst fault-scarp
vitrophyric texture
warier
wash one's hands
Yangtze dolphin
zymamsis