adj.没有噪音的，寂静的，不出声的

The library is a noiseless environment, perfect for studying.
图书馆是一个无噪音的环境，非常适合学习。
The noiseless electric car glided smoothly through the streets.
那辆无声的电动汽车在街道上平稳地滑行。
In the noiseless chamber, even the slightest whisper echoed.
在那个无声的房间里，即使是最轻微的低语也会产生回声。
The noiseless mouse click ensured he didn't disturb his sleeping roommate.
无声的鼠标点击确保他没有打扰到熟睡的室友。
With the new noiseless typewriter, writers could work without disturbing others.
使用新的无声打字机，作家可以在不打扰他人的情况下工作。
The noiseless fan kept the room cool without any distracting sounds.
那台无声风扇让房间保持凉爽，没有任何令人分心的声音。
She appreciated the noiseless hum of the refrigerator in the otherwise quiet kitchen.
她喜欢安静厨房中冰箱发出的无声嗡嗡声。
The noiseless aircraft flew over the city without being noticed by most residents.
那架无声飞机飞过城市，没有被大多数居民察觉。
His noiseless steps allowed him to approach the wildlife without scaring them away.
他无声的脚步使他能够接近野生动物而不吓跑它们。
The noiseless keyboard was a game-changer for late-night gamers and programmers.
这款无声键盘对于深夜游戏玩家和程序员来说是个改变游戏规则的存在。