into和onto是什么意思

1.in to 表示到里面、实体，质上的进入 比如go into a room 进入房间 ；

2.on to 表示到...之上，去哪里 更加抽象，比如 go onto the work 继续工作

例句They are sitting in the room. 他们正坐在房间里。May I come in? 我可以进来吗？

Dip your hand in to see how hot the water is.

把手伸进去看看水有多热。

Builders were called in to make the building safe.

召来建筑工加固这栋大楼。

The army has been sent in to maintain order in the capital.

军队被调进首都维持治安。

I\'d like to come on to that question later.

我想以后再讨论那个问题。

It\'s time we got on to the question of costs.

我们该讨论成本问题了。

Please send the letter on to my new address.

请把信件转寄到我的新地址。