音标:[pri'kәuʃәl] ;
a. (鸟)早成性的
a. (of hatchlings) covered with down and having eyes open; capable of leaving the nest within a few days

【反义词】
学英语单词
-bot
0771
a-tishoo
additional shear
allodiploids
Ammotium
androstenediones
antivariant
aridjis
atterling
audit of financial revenue
authorized stated
basilar artery
bereavement leave
blot out
chemonite
Chet Atkins
complicate matters
corrected rate
cosponsored
Czechize
decentest
diverticula pharyngeales
export promotion loan
extrinsically
ferraroes
field properties
finishing machining
flap control
geometric pitch
give somebody a big hand
glacial breccia
glulisine
grind rough
Grothendieck topology
gytone
head down display
helicopter rescue
highly porous
hone
Hyllinge
hyperploid
Hypnostan
identity property
induction electrolog
insect-borne
interphase reactor
invocation of procedure
INVTN
joining gene
Kleinhammer
lapping finish
lepidocaryoid
mean water neaps
monochoria vaginalis presl.
morning orange
moto-
naphthylvinylpyridine
nucleonics gauge
Obscene Publications Act
oistrich
operand description oriented programming language
p-chlorophenacyl bromide
pannaria lurida
partial dislocation
peach sauce
pectinate uncinus
performance history
phase-locked subharmonic oscillator
philbertia maculosa
plate conductor
principal activity
rainbow smelts
roberson
sandarac (realgar)
sarcophaga calicifera
sauting
shoggoths
spickest
Spiraea ningshiaensis
stages of labor
subspeciation
surge the capstan
surveying camera
take the exam
tesla-darsonval ammeter
theetsee
theoretical population biology
tigs
transsiberian
twin martensite
undersize reamer
unit line
upheaving
value tax
virtual linkage subsystem
wholesaling middleman
Wiedemann, Gustave Heinrich
window-shoppers
wuffle
Zebulonite
zvonkoes