sound-proof

adj made or constructed so that sound(s) cannot pass through or in 隔音的: sound-proof material 隔音材料 * a sound-proof studio 隔音的演播室. -- v [Tn] make (sth) sound-proof 使（某物）隔音: I wish we could sound-proof the boys' bedroom! 把男生的寝室能弄成隔音的才好呢!

sough, sought, soul, soul brother (fem 阴性作 `soul sister), soul food, soul mate, soul music, soul-destroying, soul-searching, soul-stirring, soulful, soulfully, soulfulness, soulless, soullessly, sound, sound a warning, sound archives, sound barrier (also sonic barrier), sound effect, sound-recording, sound-track, sound-wave, sounding, sounding-board, soundings, soundless, soundlessly, soundly, soundness, sounds, soup, soup-kitchen, soup-plate, soupcon, sour, sour cream, source, sourdough, sourly,