1.
four sound track stereo radio
四声道立体声收音机
2.
quadraphonic amplifier
四声道立体声放大器
3.
two sound track stereo radio
双声道立体声收音机
4.
discrete four-channel tape system
分立四声道磁道系统
5.
the sound made by the vibration of vocal folds modified by the resonance of the vocal tract.
声带震动发出的经过声道共鸣的声音。
6.
extended stylus
日本东芝四声道唱针
7.
channel of a recordingtape
（录音磁带上的） 声道
8.
multi-audiotrack video tape recorder
多声道视频磁带录像机
9.
"Stand still!" he rapped out.
"站住!"他厉声喝道。
10.
Research on the Acoustic Characteristics and Acoustic Considerations of Noise-barrier;
道路声屏障声学特性与声学设计研究
11.
She asked in a social voice.
她用有礼貌的声音问道。
12.
However, she could not help asking timidly:
但又忍不住小声问道：
13.
Tom,@ whispered Huckleberry,
“汤姆，”哈克贝利小声问道，
14.
said a last 'God bless you!'
最后道一声“上帝保佑你
15.
I heard her shout," Stop !".
我听到她大声喊道：“站住
16.
she inquired in a husky tone.
"她声音沙哑地问道。
17.
"Excellent," commended Uncle Ke-ting.
“有趣极了，”克定高声赞道；
18.
As a voice spoke at the other end of the line, he cried:
他一听那声音，就回叫道：