noiseless

/ˈnɔɪzləs/ 0
Something or someone that is noiseless does not make any sound. 无声的

adjective [原级]无声的;寂静的

The snow was light and noiseless as it floated down.
雪花静悄悄地轻轻飘落下来。

noiseless

-less ⌜ 表示缺乏或没有某种特性 - indicating the absence or lack of a particular quality ~ ⌟
单词造句:
网友用“Noiseless”造句精选
He moved with noiseless steps. 他脚步轻轻地走动。
Adopting air-controlled positioning, noiseless and easy for maintenance. 使用空气缸定位,无噪音,易于保养。