您要查找的是不是：
- The nurse paged the doctor on the loudspeaker. 护士通过广播喊叫那位医生。
- We heard the news over the loudspeaker. 我们听见扩音器里广播了这一消息。
- The luminous intensity on unit area. 单位面积上的发光强度。
- The family is the smallest social unit. 家庭是社会最小的单位。
- A loudspeaker designed to reproduce bass frequencies. 低频扬声器设计用来再现低音频率的扬声器
- Pressure is force per unit area. 压力就是电单位面积上的力。
- The police addressed the crowd through a loudspeaker on their car. 警察通过他们汽车上的喇叭向人群喊话。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- The family is the basic unit of society. 家庭是社会的基本单位。
- A device for projecting sound waves, as in a loudspeaker. 角状扩音器一种用来产生声波的装置，如扬声器
- A loudspeaker magnifies the human voice. 扬声器扩大人的声音。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
- A metric unit of mass equal to 100 grams. 百克公制质量单位，等于100克。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- Addressed us over the loudspeaker; can't tell you over the phone. 透过扩音器对我们演讲; 不能通过电话告诉你
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- A unit of currency in Chile, Panama, and Uruguay. 分智利、巴拿马和乌拉圭的货币单位
- There is a loudspeaker in a radio. 收音机里有个喇叭。
- A metrical unit consisting of seven feet. 七韵步由七个音步组成的格律单位
- A unit of currency in North Korea and South Korea. 朝鲜和韩国的一种货币单位
