adv. 有效地, 有用地
r. in a useful manner

词性分布:
副词100%

usefully的用法和样例:

词汇搭配

  • useful有用的
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【反义词】
学英语单词
a pole brace
acoustic tile
amboina pine
apexin
ash emulsion pump
automatic firedamp alarm
balanced two port network
bannerette
basic ket
be a copycat
boilerhouses
Brooks, Louise
bull information systems
CCVO
chuanxinlian tablets
circulation medium
comparative appeal
cow-calf system
cross drilling attachment
day packs
direct connected implement
directional-control-valve
disconnected graph
domesticated
double-row ball bearing
doukou
dowens
dysaemia
effervescent sodium sulfate
field breaking switch
forced releasing
formaldehyde water pollution
gegotium nullum
genus Hardenbergia
gets after
goat story
Handler classification schema
hottempered
hyperbolic magnetic axis
image facsimile
indirect encoding microinstruion
insulin-like growth factor i (igf-i)
ionic liquids
isohexadecane
lame joke
last invoice price method
leave breaker
lehuas
lineners
listeriolysin
longterm-care
Majac mill
maximum low-threshold input-voltage
metallic ore
method of fractional step
microguild
mo-om
mosaic diseases
national climatic data centers
negated combined condition
neu
NSC-19962
optimum policy
overcorrect
pederero
phoma lycopersici sacc.
photodesensitization
polyxylene sebacamide
prisms
Proboscidea louisianica
proprioceptive sensibility
randhir
rations bread
recovery of storage
rejection of payment
rickettsemia
roll seam
rolling mechanism
San Salvador Island
Selaginella apoda
Serissa japonica
single phase alternator
SIPROS
solum (pl. sola)
strongman
structure modify
subsextuple
supplejack
sysosus-s
teh
teratoblastomas
thermodynamics of metallic solid solution
threadier
tombolo series
total acreage of farm
transparent coating
unencumbered estate
urobilin(urohematin)
vandalize
vb.
VTVM (vacuum-tube voltmeter)