on与orange发音有什么不同

on与orange发音有什么不同？

发音: /?n/，/??r?nd?/，都含有/?n/音，其它不同。John went home and found that the air conditioner was on.

约翰回家发现空调是开着的。

I put a portrait on the white wall.

我在白色的墙上挂了一幅肖像。

Look at all the books on your desk!

看看你书桌上这么多书。

We were on a hill, right on the edge of town.

我们在一座小山上，正好位于城镇边缘。

What's on TV?

电视上有什么节目？I like your orange hat.

我喜欢你这顶橘黄色的帽子。

You can get me some orange juice.

你可以给我拿点橙汁。

I want some orange juice.

我想要点橙汁。

I want some orange juice.

我想要点橙汁。

on和orange的o发音不同在于前者是短音，后者是长音。