单词
Previously
many
people
worked
as
private
duty
nurses
rather
than
in
hospitals
in
the
US
读音
简明释义
词性标记
n.(名词)
v.(动词)
adj.(形容词)
vt.(及物动词)
vi.(不及物动词)
adv.(副词)
prep.(介词)
conj.(连词)
pron.(代词)
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