n.響亮；音量；大聲

My tone had a borrowed loudness reverberated from the height of the land. 我的聲音在島上的山壁產(chǎn)生回音，所以分外響亮。

The loudness of a sound is evidenty produced by how much the membrane is cause to move. 而聲音的大小則明顯的決定于耳膜運(yùn)動(dòng)。

He shouted with extreme loudness. 他大聲地叫嚷著。