on-
英
['ən]
美
['ən]
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形容词 on:
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in operation or operational
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(of events) planned or scheduled
副词 on:
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with a forward motion
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indicates continuity or persistence or concentration
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in a state required for something to function or be effective
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌