1·The lab also produces ratings for loudspeakers.
这个实验室还为扩音器产品评级。
2·The cones of larger loudspeakers used in traditional public-address systems vibrate more slowly, making them better suited for sounds in the range of human hearing.
传统播音系统使用的大型扩音器中的椎体振动较为缓慢，使声音更加适合人类听觉范围。
3·The job of getting a character to say something through the loudspeakers or headphones is given to the producer.
让人物通过扩音器或耳麦说话的工作由制作器负责。
4·SASHED candidates standing on car roofs, their voices crackling through loudspeakers.
候选人从车顶的窗口探出头来，扩音器下他的嗓音略微嘈杂。
5·They need to curate the conversation, and not just be loudspeakers.
他们需要去组织和管理对话，而非仅仅作为扩音器。