请输入您要查询的英文单词：
单词
a hard nut
释义
See
a tough nut
随便看
on average
on average
on average/on an average
on a war footing
on a worldwide scale
on balance
on behalf of
on behalf of sb
on bended knee
on board
onboard
on-board camera
on-board computer
onboarding
on call
on camera
once
once again
once and for all
once bitten, twice shy
once bitten, twice shy
once in a blue moon
once in a blue moon
once-in-a-lifetime chance
once in a while
英语词典包含147115条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
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更新时间：2025/3/25 13:06:04