近義詞對義詞：orward，antrorsely
造句
This professor studies ON.
這位教授是研究古挪威語的。
2
John went home and found that the air conditioner was on.
約翰回家發現空調是開着的。
3
I put a portrait on the white wall.
我在白色的牆上掛了一幅肖像。
4
Look at all the books on your desk!
看看你書桌上這麼多書
5
We were on a hill， right on the edge of town.
我們在一座小山上，正好位於城鎮邊緣。
on近義詞是
upon
在…上…上關於涉及作爲…成員以…爲目標向…以…爲介質在途中在忙碌於靠由…支付增加
