n. 有益;有助
n. the property of providing useful assistance
词型变化:名词复数形式 : helpfulnesses
词性分布:
名词100%

helpfulness的用法和样例:

词汇搭配

  • helpful有帮助的
【近义词】
学英语单词
accord and satisfaction clause
acetylizing
activating reagent
Adromischus
aect
alizarin complexant
arc of characteristic
ash-tray
base-board
blisslabs
border collies
buoyancy pontoon
canal plugger
cengs
cermet of competency
chest voice
childcaring
classical style
cobalt ocher
coincidence-flux storage system
commercial agency
countershaft
deck sash
decorated flutings
dielectric loss
dotting test
drags into
dry-erase board
endproducts
enielkenie acaroides
ensoap
Escusa
esteem value
facetiming
feedback encoding
fissionless
foot kisses
footbones
fortification agate
FSHR
gangways
gold blocking
grooved spring steel
grosskopf
Haast Bluff
hemorrhagic ascites
indeterminate leprosy
injection fiber
international rules football
iron red
itsacorr
kindredly
leading fossil
Leidenfrost's phenomenon
linearized
logarithmic amplifier
method of small perturbation
motor hallucination
nickel grain roll
nitrefazole
nitrocotton
nontidal
nuclear rearrangement
operationally ready
optical current sensor
original plant
pc-baseds
Penida, Nusa
phrasebooks
pilot burst phase adjustment
Problem Steps Recorder
qool
quality of inverted interval
querimoniousness
rabbet
raneys alloy
rayless chamomile
reactive power
regressing testing
sedinin
series gating technique
sintering pallet
smoke control
spiracin
staphylitis
stop-jump
succin
sundry credit
teigh
telepist
temperate decideous forest
thermal distorsion temperature
thermal-type spirit master
towing-rope
transmission line of information
turnbroaches
uncodifying
unlocking wheel operating lever spring
unsilly
vesselment
X-BEIN
X-rated challenge