adj.無(wú)聲的;寂靜的
This new style of air conditioner is noiseless. 這種新型空調(diào)沒有噪音。
For him the wheel of slumber was wont to turn noiseless and slick and swift. 在他看來(lái),時(shí)間在睡眠中總是過(guò)得很快,靜悄悄地就溜走了。
adv.靜靜地;輕輕地