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- feedback echo noise 反馈回波噪声
- He returns to the desk and positions the P.A. microphone.He works up his courage, then flicks all the toggles to "on." A SQUEAL OF FEEDBACK echoes briefly... 他返回桌子，摆好扩音器的麦克，鼓起勇气，把所有的开关打到“开”的位置，扩音器发出大声的回响。
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- A noise abatement notice is served on the club. 向俱乐部发停止大声喧哗的通知。
- The noise of traffic grows louder and louder. 交通的噪音变得愈来愈大。
- The noise struck terror into their hearts. 那声音使他们心里产生恐惧。
- He turned around as he heard a noise behind him. 他听到身后有响声，便转过身来。
- The boy jumped up in surprise at the sudden noise. 突如其来的响声吓得这个男孩跳了起来。
- The loud noise made me leap out of my skin. 这么响的声音吓了我一大跳。
- The feedback from the computer enables us to update the program. 计算机的反馈能使我们更新程序。
- His nerves were frayed by the noise of traffic. 他被交通噪音弄得神经紧张。
- It prevents the other end from hearing an echo of themselves. 该功能可以防止远端听到他们的回声。
- The daily echo have a readership of over ten millions. 《每日回声报》拥有读者逾一千万人。
- She feels wearisome by the constant noise. 她很厌烦那些没完没了的嘈杂声。
