基本解释adj. 催眠的；使愛睡的；想睡的同根派生 英汉例句權威例句It includes a reclining bed, sound-absorbent walls and somniferous sights and sounds from a wide-screen TV.FORBES: Who's making big bucks off your insomnia?英英字典柯林斯英英字典 tending to induce sleep