noiselessly
adverb /ˈnɔɪzləsli/
/ˈnɔɪzləsli/
(formal)- without making any noise; making only a small amount of noise
synonym silently (2)无噪音:无噪音;默默地仅使少量噪声成为 - She slipped noiselessly out of the room.
她悄悄地溜出了房间。
- She slipped noiselessly out of the room.