我们需要填补这个空隙。

We need to fill this gap.

这堵墙上有一个空隙。

There is a gap in this wall.

他的牙齿之间有一个小空隙。

There is a small gap between his teeth.

两个建筑物之间有一个空隙。

There is a gap between the two buildings.

他们在讨论如何缩小收入空隙。

They are discussing how to reduce the income gap.

你可以用任何类型的填充物来填满这个空隙。

You can use any type of infilling to fill this gap.

工程师正在架桥连接两栋建筑之间的空隙。

The engineer is bridging the gap between the two buildings.

实际上，这两个空隙是相等的。

In reality, the two gaps are identical.

下面的空隙中要填什么样的词？

What type of word can fill each of the following gaps?

我要张开五指，让中间留有空隙。

I'm going to separate my fingers so there's gaps in between them.