长时间听音量适中的噪音，或短时间受到强音的刺激也能损害听力。

Too much moderate noise for a long time, or some types of intense noise for even a short time can damage hearing.

youdao

通过观察海豚、驼背鲸和抹香鲸得知，促进鲸目动物通信进化的是一种在每代以及每个个体间传递鸣叫和强音的能力。

Fueling the evolution of cetacean communication is an ability, observed in dolphins, humpback whales and sperm whales, to pass songs and codas between generations and individuals.

youdao

youdao

It's the most important thing and our conducting pattern always has to have the downbeat of the hand in sync with the strongest impulse in the music , the strong.

这是最为重要的,而我们的指挥手势,总是和着乐曲的强音,做出重拍的动作

耶鲁公开课 - 聆听音乐课程节选