They joined their two hands and smiled.是什么意思？

They joined their two hands and smiled.

他们将手放在一起, 笑了。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

joined

v. 连接( join的过去式和过去分词 )，联结，加入，参加；

例句
Podulski had joined the U.S. Navy as an aviator, adopting a new country and a new profession.
波度尔斯基加入美国海军当上了飞行员，不仅改了国籍还换了行当。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

hands

n. 手( hand的名词复数 )，人手，（工具等的）把，帮助；

例句
He lifted his hands above his head...
他将双手举过头顶。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

smiled

v. 以微笑表示( smile的过去式和过去分词 )；

例句
Farling smiled in acknowledgement and gave a bow...
法林微笑示意，又躬身行了个礼。