A speaker or writer uses us to refer both to himself or herself and to one or more other people. You can use us before a noun to make it clear which group of people you are referring to.
Neither of us forgot about it.
我俩都没忘记它。
Heather went to the kitchen to get drinks for us.
希瑟去厨房给我们拿饮料。
They don't like us much.
他们不大喜欢我们。
Us is sometimes used to refer to people in general.
All of us will struggle fairly hard to survive if we are in danger.
任何人在遇到危险时都会竭力挣扎着要活下来。
A speaker or writer may use us instead of 'me' in order to include the audience or reader in what they are saying.
This brings us to the second question I asked.
这就将我们引入了我提出的第2个问题。