双

双

"双" means "pair" or "double."

In this sentence, '双' is used to mean 'both' or 'two' concerning hands, showing their symmetry and association as a pair.

他伸出双手欢迎我们。

He extended both hands to welcome us.

Here, '双' pertains to 'both sides,' referring to two entities or perspectives that are considered together in a situation.

我们需要注意双方面的意见。

We need to consider opinions from both sides.

Here, '双' indicates a pair of items, specifically shoes, emphasizing that the items come in twos and are used together.

我有一双鞋。

I have a pair of shoes.