请输入您要查询的英文单词：
单词
a-
释义
a-
1
/ə, ei, æ/
prefix
not, without (
amoral
不道德的
;
agnostic
不可知论者
;
apetalous
无花瓣的
)
不…；无…
[Greek
a-
, or Latin from Greek, or French via Latin from Greek]
随便看
on order
on (or esp. US [尤美] in) behalf of (or on a person's behalf)
on (or for or up for) sale
on (or from) the sidelines
on (or off) course
on (or off) duty
on (or off) the air
on (or on an) average
on (or on one's) bended knee (or knees)
on (or on one's) guard
on (or under) pain of
on (or under) the pretext
on (or upon) my honour
on (or upon) my word
on (or upon) the point of
on paper
on parade
on parole
on pins and needles
on principle
on probation
on purpose
on record
on relief
on remand
英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/3/17 17:26:39