Sound waves from the iceberg had a frequency of around0.5 hertz, too low to be heard by humans, but by playing them at higher speed the iceberg sounded like a swarm of bees or an orchestra warming up, the scientists said.

• 科学家说，冰山传来的声波频率约为0.；5赫兹，因为频率过低人类听不到，但是若是以较快的速度播放，冰山听起来就像是成群的蜜蜂声或是管弦乐队在热场。