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单词
helpful
释义
Word Frequency
helpful
(
ˈhɛlpfʊl
)
adjective
serving a useful function; giving help
Derived forms
helpfully
(
ˈhelpfully
)
adverb
helpfulness
(
ˈhelpfulness
)
noun
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subatom
subatomic
subatomics
subaudible
subaudio
subaudition
subaural
subauricular
subaverage
subaxial
subaxillary
subbase
subbase
subbasement
subbasin
subbass
subbed
subbie
subbing
subbituminous
subblock
sub-branch
subbreed
subbureau
Subbuteo
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更新时间:2026/4/26 18:44:22