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释义
op·tion·al
AHD
[ŏpʹshə-nəl]
D.J.
[ˈɒpʃənəl]
K.K.
[ˈɑpʃənəl]
adj.
(形容词)
abbr.
opt.
【缩写】
Left to choice; not compulsory or automatic.
任选的;非强制的或随意的
Related Forms
继承用法
opʹtionally
adv.
(副词)
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grouching
grouchy
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ground
ground
ground ball
ground bass
ground beetle
groundbreaker
groundbreaking
ground cedar
ground cherry
ground cloth
ground-controlled approach
ground cover
ground crew
grounded
ground-effect machine
grounden
grounder
grounders
ground fish
ground floor
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更新时间:2026/1/5 15:33:16