noiseless
US /ˈnɔɪz.ləs/
UK /ˈnɔɪz.ləs/
形容词
无声的, 寂静的
making no noise; silent
示例:
•
The cat moved with noiseless steps across the floor.
猫以无声的脚步穿过地板。
•
The new electric car is almost completely noiseless.
这款新电动汽车几乎完全无声。