Definitions
prep. Touching and supported by a surface.
在……上
prep. Used for days and dates, or to introduce a topic.
在某日；关于
adv. Operating or receiving power.
开着；运行中
Example
Your keys are on the table beside the door.
你的钥匙在门旁的桌子上。
Installing solar panels on public buildings can reduce energy costs and demonstrate a government's commitment to sustainability.
在公共建筑上安装太阳能板可以降低能源成本，并展现政府对可持续发展的重视。
Collocations
- on the table
- on Monday
- a report on education
- switch on
Antonyms
- off
Usage tip
具体某天用on；月份用in；钟点用at。
FAQ
- What does on mean?
- Touching and supported by a surface. Used for days and dates, or to introduce a topic. Operating or receiving power.
- How is on pronounced?
- UK /ɒn/, US /ɑːn/. Use the audio buttons above to listen.
