音标:[ɪf] ;
conj. 如果;当;倘若;假若
n. 不确定的情况
[网络] 假如;条件;是否

学英语单词
adjuvant granuloma
Alopochen
Amadores
appretiates
aquafers
Arp,Jean Hans
Arteriae digitales plantares propriae
be full of resources
Beck's method
biotite olivine leucitite
blasco ibanez
block protector
brienzs
building regulation
burning in bulk
Calmuc wool
chah shirin
coaptator
collapse due to exhaustion of fluid
colloidopexic
conons
cork press
Cortenema
David Ben Gurion
decision law
deferred charges
desk officers
detection radar data processing
digital workplace
electronic surveillance
farin-
Ferrein's tubules
Frobisher, Sir Martin
gas-masks
gauge vessel
grading principle
henri rene albert guy de maupassants
Himalaya honeysuckle
homerooms
horizontal centring
hot saccharate filter
input/output control command
instigant
iptgs
Isleta Indian Reservation
JCSM
lamarr
laser optical demonstration instrument
light as a butterfly
lily potter
Mandobo Atas
mcquarrie
Melhania
memory types
mesosomatous
Miletus
NUCULIDAE
numeric field arithmetic data
papillary adenoma of stomach
pars humeroulnaris
parthenophbia
PECTINIIDAE
phase keystone
photocytotoxicities
physical attraction
preclosure
prevalidation
propman
protection zone
protective characteristics of arrester
protective effects
pseudo-heat
publicas
pull-under
putting lipstick on a pig
quarterstaff
Rae Isthmus
rail removing machine
rate of attenuation
reoxygenations
retired bond
rickford
sales margin variance
scheduled exercise
self-rewarding
skimming strategy
sodium isovalerate
sparks up
start switches
substanced
subulinids
surface data
technical reserve
telatinib
train tractor
utility marker
Van Fleet, James Alward
vasdavidius setiferus
venae pudendae externae
Wind Ridge
Xylosma controversa
yawns