柯林斯詞典noiseless /?n??zl?s/ 1. ADJ Something or someone that is noiseless does not make any sound. 無(wú)聲的[ADV with v] The snow was light and noiseless as it floated down. 雪花靜悄悄地輕輕飄落下來(lái)。2. noiselesslyADV I shut the door noiselessly behind me. 我把身後的門輕輕帶上。 返回 noiseless劍橋詞典silent 無(wú)聲的，寂靜的 Above them an eagle circled in noiseless flight . 一衹鷹在他們上空無(wú)聲地磐鏇。 返回 noiseless