他们边喝咖啡边愉快地交谈。

They happily ___conversed over coffee.

他喜欢在晚餐时与家人交谈。

He enjoys ___conversing with his family during dinner.

教授们经常在研讨会上深入探讨学术问题。

The professors often ___converse deeply about academic topics during seminars.