词汇	trading body
释义	trading body 交易团体
随便看	sound reflectors sound refraction sound refrigeration sound registering sound regulation room sound reinforcement sound reinforcement effect sound reinforcement machine sound reinforcement system sound-reinforcement system sound reinforcing system sound rejection sound relative intensity sound relaxation sound relieved sound remarkably sound remote sensing sound rendering sound reproduction sound reproductions sound resistance sound-resistive glass sound resonance sound resonant cavity sound resources