unwanted sounds 基本例句 烦恼声; 噪声 These noises resemble the sounds made by hitting two round pebbles together.这些噪声类似于两块鹅卵石撞击所发出的声音。 Annoying sounds and inaudible vibrations have caused problems with some experimental wind machines.某些实验风力发电机确实存在着噪声和无声振动问题。