one

详细解释:n. 一(个)
pron. 一, 任何人
num. 一, 一个
a. 一致的, 完整的
相关词组:
one day
one night
one morning
pull a fast one on sb
be at one
for one
in one
in the year one
lay one on sb
never a one
one after another
one after the other
one and all
one and only
one and the same
one another
one by one
one of these days
one of these fine days
one or other
one or two
one too many
become one
be one-up on sb