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单词
required
释义
re·quired
AHD
[rĭ-kwīrdʹ]
D.J.
[rɪˈkwaɪəd]
K.K.
[rɪˈkwaɪrd]
adj.
(形容词)
abbr.
req., reqd.
【缩写】
Needed; essential.
必需的;必不可少的
Obligatory:
必要的:
required reading.
必读物
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onioning
onions
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onionskin
onion snow
Onitsha
onlay
on-line
onload
onlooker
only
only
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onomastics
onomatopoeia
onomatopoeia
onomatopoeias
Onondaga
Onondaga Community College
Onondagas
onrush
ons
-ons
Onsager
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更新时间:2026/1/19 15:52:33