on
/ɒn/
prep. / adv.
标准词条
CET-4
一句话记住
在……上;在(某天或日期);继续;(灯、机器等)开着
释义与例句
prep.
在……上;在(某天或日期)
touching or supported by a surface, or used before days and dates to say when something happens
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Leave the keys on the kitchen counter.
把钥匙放在厨房台面上。
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There is a small label on the back of the jacket.
这件夹克背面有一个小标签。
展开其余 1 条例句
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Our next meeting is on Tuesday.
我们的下次会议在星期二。
adv.
继续;(灯、机器等)开着
continuing an activity, or in a state in which a machine, light, or other device is operating
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She read on despite the noise in the corridor.
尽管走廊里很吵,她还是继续读下去。
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The lights were still on at midnight.
午夜时灯还亮着。
展开其余 1 条例句
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Carry on with your work while I answer the phone.
我接电话时,你们继续工作。
词源与构词
记忆钩子
on time 是按预定时间准时;in time 是来得及,没有迟到。具体某一天用 on,如 on Sunday morning。
词族与关联词
易混词(形近或义近,注意区别)
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in 在……里;在(某月、某年等)表示时间时,on 通常用于具体星期几或日期,如 on Monday、on 5 May;in 通常用于月份、年份和较长时段,如 in May、in 2026。表示位置时,on 强调在表面上,in 强调在内部或范围内。The conference will take place in October. 会议将在十月举行。
常见搭配
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on time 准时The train departed exactly on time despite the snow. 尽管下雪,火车仍准点发车。
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on the way 在途中;即将到来We stopped for some fruit on the way to the coast. 去海边的途中,我们停下来买了些水果。
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turn on 打开(电器、灯等)Could you turn on the heater when you get home? 你到家时能打开暖气吗?