音标:[.efi'keiʃәs] ;
a. 有效的, 灵验的
a. marked by qualities giving the power to produce an intended effect

考试类型:[GRE]
词性分布:
形容词100%

efficacious的用法和样例:

例句

用作形容词(adj.)
  1. Vaccination for smallpox is efficacious.种牛痘防天花是有效的。
  2. This medicine is efficacious against heart disease.这个药封心脏病有效。
  3. The medicine is efficacious in stopping a cough.这种药在止咳方面很灵验。

经典引文

  • At present there is no convincing evidence that psychoanalytic treatment as such is efficacious.

    出自:P. Medawar
【近义词】
【反义词】
学英语单词
Adecut
aggregate level
airplane pilots
am transmitter with pwm
anomala corrugata
anoplocephala magna
armillariella
Ash Wednesdays
automatic stacker storage systems
aversate
bathmos
bio-polymers
bolls
Boock
brissus latecarinatus
casing measuring
centauries
CEPOD
chapters of the eyre
chemical degradation of waste
Christmas lilies
cigar bunches
cladding ductility
close pass
copper beeches
coronvit
damnant quod non intelligunt
disaster alleviation
electrocardioanalyzer
endotoxine
entremonts
Epaminondan
ethyl isoamyl ketone
eugenia dicranas
ever-flowings
extreme breadth
eye-distance
fairmile
forex picks jack-up
frankable
free-space transmission
frequency hopping
fuel rod spacer
full-ionized
genus Oxyuranus
glentrees
Gluta
grinding wheel mill
homalium cochin-chinese(lour.) druce
horizonally-polarized antenna
intersquid
Johan August Strindberg
Kitson
lay the corner stone
lining babbitt
list-systems
lochia purulenta
lymphtoxin
make the eagle scream
metal line cut
method of spherical mean
ministerial decree
mixed enterprise economy
model output statistic prediction
N,N'-diphenyl-formamidine
necrolytic
net load per vehicle
non-recurrent
optic zone
osmoprotectants
osteoplastic craniectomy
packet control procedure
Pearlweed
peronospora hyoscyami de bary
preliminary portion
pressure balancing
preteritary volcanic rocks
prick-timber
proton hole state
pseudospheres
pulse amplifier
radioexamination
ring isomerism
roller press briquetting
saxhorn in e-flat
shake-spear
Skarszewy
soft pharyngeal ganglia
staybehind
strong ellipticity
sub purchaser
sugar manufacturing machinery
tangent planes
terre verte (green earth)
total luminous flux
tracking instrument
tweetfest
under favor
Uni, Mt.
Utajärvi
villarruel
white (coated) lamp