on
英 [ɒn] 美 [ɑn]

prep.

（表示方向）向；（表示对象）对；（表示位置）在…上；（表示时间）在…之时

adv.

（放，穿，连接）上；向前，（继续）下去；

adj.

活动着的情况，状态；使用着的；发生着的；计划中的

双语释义

prep.(介词)

1. (表示位置)在…上,在…旁,在…身边 a word that shows where; over; besides
2. (表示时间)在…之时 a word that shows when; during
3. (表示方向)向,往,朝; 沿着,顺着 a word that shows direction; towards
4. (表示状态)系于,悬于; 附于 a word that shows state; tied to; hung on
5. (表示方式)乘,坐,骑 a word that shows means; by
6. (表示对象)对,对于,碰在,对…造成困难 intended to belong to or be given to
7. (表示原因)由于,因为 because of sth
8. (表示比较)与…相比 a word that shows compare
9. (表示方位)在…方位 a word that shows position
10. (表示环境)在…里,处于…之中 a word that shows situation, in
11. (表示程度)在…层次〔程度〕,水平上 a word that shows degree, level
12. (表示关系)关于,论及,有关 a word that shows opinion; view
13. (表示根据)根据,按照 a word that shows accordance to
14. (表示所属)是…的成员,属于,在…供职 a word that shows subordinate to
15. (表示过程)服用,处于…中 a word that shows what sb is doing or what is happening
16. (表示依附)靠…支撑,凭借,依赖 a word that shows depending on
17. (表示累加)一个接一个,…又 …a word that shows accumulation; one by one

adv.(副词)

1. (放,穿,连接)上 being worn
2. 向前,(继续)下去 movement forward or progress

英英释义

on[ ɔn, ɔ:n, ən, n ]

• adj.
  • in operation or operational

    "left the oven on"; "the switch is in the on position"

  • (of events) planned or scheduled

    "the picnic is on, rain or shine"; "we have nothing on for Friday night"

• adv.
  • with a forward motion

    "we drove along admiring the view"; "the horse trotted along at a steady pace"; "the circus traveled on to the next city"; "move along"; "march on"

    同义词：along

  • indicates continuity or persistence or concentration

    "his spirit lives on"; "shall I read on?"

  • in a state required for something to function or be effective

    "turn the lights on"; "get a load on"

词汇搭配

用作介词 (prep.)动词+～

• act on对…起作用
• advance on向…推进以示威胁
• agree on就…达成协议,就…取得一致意见
• bang on重敲
• bargain on指望,预期,依靠
• cast on投掷
• center on集中在
• chance on偶然遇到
• cheat on对…不忠实
• dance on在…上晃动
• depend on依赖,依靠
• dwell on详谈
• fall on落到…上
• feed on以…为食
• hammer on用力敲打

名词+～

• background on关于…的必要信息
• ban on对…的禁令
• charge on对…的费用
• judgement on对…的判断
• raid on对…的袭击
• reflection on对…的评论

词组短语

and so on等等；诸如此类

just on将近，差不多

on and off断断续续地，不时地

on and on继续不停地

be on at [口语]唠叨，不断地找…的岔子 , [口语]反复要求；责备；找岔，挑剔：

同近义词辨析

over, on, above

over 在正上方 fly over the hill

on在上面，接触，

above在上面，不接触，

at, on, in

这组词都有“在……”的意思，其区别是：

at表地点时，指空间位置上的某一点；表时间时，指在时间上的某一时刻。

on表地点时，指某物与另一物表面相接触，或与某地方接壤等；表时间时，指在某一天或某一天的某个时间，尤指在星期几。

in表地点时，指在某一立体空间范围内；表时间时，指一段时间或与年、月、季节时间连用。

双语例句

用作介词(prep.)

1. The book is on the table.
   书在桌子上。
2. The spider is walking on the ceiling.
   蜘蛛在天花板上爬行。
3. I bought it on credit.
   这东西我是赊购来的。
4. He studied at Oxford on a Rhodes scholarship.
   他靠罗兹奖学金在牛津就读。
5. What do you do on New Year's Day?
   元旦你做什么？
6. He will give a lecture on international affairs.
   他会作关于国际形势的讲座。
7. They made their own judgment on his report.
   他们凭他的报告作出自己的判断。

用作副词(adv.)

1. Put your coat on.
   穿上你的大衣.
2. Why hasn't she got her glasses on?
   她怎么没戴眼镜呢？
3. Move on!
   向前走！
4. Time marches on.
   时光流逝。
5. She worked quietly all night.
   她整个晚上默默地继续工作。
6. He walks on down the corridor.
   他沿着走廊一路走过去。

用作形容词(adj.)

1. The televisionw set was on.
   电视机开着。
2. The light were all full on.
   灯火通明。
3. The war was on then.
   那时正在打仗。
4. There was a scare on about cancer.
   当时正出现恐癌症。
5. The night nurse is/goes on at 7pm.
   晚班护士7点钟上班。

权威例句

Ten Lectures on Wavelets
Ad-hoc on-demand distance vector routing
RFC 3561-ad hoc on-demand distance vector (AODV) routing
A decision-theoretic generalization of on-line learning and an application to boosting
A Decision-Theoretic Generalization of On-Line Learning and an Application to Boosting ☆ ☆☆
The Impact of Trade on Intra‐Industry Reallocations and Aggregate Industry Productivity
The sixth report of the Joint National Committee on prevention, detection, evaluation, and treatment of high blood pressure
The sixth report of the Joint National Committee on prevention, detection, evaluation, and treatment of high blood pressure.
The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood ...
Effects of an angiotensin-converting-enzyme inhibitor, ramipril, on cardiovascular events in high-risk patients. The Heart Outcomes ...