pray的名词

pray名词为praying

例句

1.

He prayed that his barren wife would one day have a child.

他祈祷自己不孕的妻子有朝一日能怀上宝宝。

2.

He spent his time in prison praying and studying

他把狱中的时间都用于祈祷和学习。

3.

What, pray, is the meaning of this?

请问，这是什么意思？