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
act the part of
Aeschynanthus moningeriae
aid given gratis
aloinose
amalgamatingpan
Amphawa
ashaninka
asparagin culture-medium
assumpsits
Atlanticists
ATOTAL
baron and feme
bulk-density
Carucedo
cerebellospinal tract
cetoconcha eximia intermedia
Chaetoseris hastata
Clitoria turnatea
close juncture
commercial-art
compression relief cam
confuter
contratista
control resistor
coontz
cut-to-length device
daylight robberies
diltiazen
DPU (display processing unit)
drumhead court-martials
Dryopidae
farmland water conservancy
farnworth
foraminiferas
forward band brake
from this day forth
funnel-shaped udder
glycan-phosphatidylinositol(GPI)
goods
Hallsberg
hanzell
Haryāna, State of
have your finger on the trigger
Hexylacetate
hydro-rubber spring type
independent adviser
infra-red spectroscope
innominates
intestinal colic
Kreysig's sign
lie about 1/around
life-story
lime ratio
low water flow
mesozoics
mezeys
motion sensitivity
mutually responsible
network analysis model
nonrioters
object analysis
osmium dating method
otomicroscopic
otto frisches
overprocess
oxygenates
phosinaite
potential national income
purple fringeless orchiss
pyrocystis hamulus inaeaqualis
quartermaster sergeant
reduction carrlel
reflexometer
rejoneadors
removal of cholesteatoma of cranial bone
rogues' gallery
roof live load
rudder piece
San Costanzo
Saskabusher
school lunches
short-circuit current multiple
Sidi Smail
Slip-Wheel
slumped-bed height
snorkelling
steyoamous mosquito
straining ratchet
synchronization compression
thermal cut-out
tinkerbirds
two-wire-wide strands
unjudge
unreasoned
up and doing
vaporiform
water track
wdth
working people
xenon arc type climatic test chamber
xoffs
zero-layer