He gladly accepted their invitation.是什么意思？

He gladly accepted their invitation.

他欣然接受了他们的邀请。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

gladly

adv. 高兴地，乐意地，欣然；

例句
If this offer is genuine I will gladly accept it.
如果这份帮助是诚心的，我欣然接受。

accepted

adj. 公认的，可以接受的；v. 接受(accept的过去式及过去分词)；

例句
...certain assumptions which are accepted without question as absolute truths.
某些未经质疑就被作为绝对真理而全盘接受的假设

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。

invitation

n. 招待，邀请，请柬，请帖，引诱，吸引，诱惑；

例句
I visited Japan in 1987 at the invitation of the Foreign Minister.
应日本外相的邀请，我于1987年访问了日本。