effusive

他对我们的帮助表示了热情的感谢。

He offered ___effusive thanks for our help.

奶奶对孙子在美术课上做的歪歪扭扭的陶碗赞不绝口。

The grandmother was ___effusive in her praise of the lopsided clay bowl her grandson had made in art class.

他们在火车站的见面格外热情，紧紧拥抱、喜极而泣、连笑五分钟停不下来。

Their ___effusive greeting at the train station involved tight embraces, happy tears, and near-constant laughter for five straight minutes.