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.
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解释
mirth 在此指观众因意外小插曲产生的善意欢笑
A ripple of mirth spread through the audience as the speaker stumbled over the microphone cord.
mirth 在此指观众因意外小插曲产生的善意欢笑