Alongside throbbing supercars , the other stars of this month 's frankfurt motor show were noiseless electric vehicles .
与马达轰鸣的超级跑车同台亮相本月法兰克福车展的明星车型是无声的电动汽车。
Noiseless digital volume control with 60-step precision and perfect channel balance .
静音60步的精度和完善的渠道平衡数字音量控制。
Soames went in with his noiseless step , his jaw firmly set , his eyes furtive .
索米斯轻步走进屋子，咬紧牙关，眼睛偷看着。
When no one in the house was stirring , and the lights were all extinguished , she would softly leave her own room , and with noiseless feet descend the staircase , and approach her father 's door .
