mirth

房间里充满了欢乐的笑声。

The room was filled with ___mirth and laughter.

爷爷的鬼脸让围坐在餐桌旁的孙儿们发出阵阵欢笑。

The grandfather's silly faces sent waves of ___mirth through the grandchildren gathered around the dinner table.

演讲者被话筒线绊住后，一阵欢快的笑声在观众中蔓延开来。

A ripple of ___mirth spread through the audience as the speaker stumbled over the microphone cord.