可数名词：

1.传送，输送；传递，传达

2.传染，传播

3.【机】传动装置；变速器

4.（无线电、电视等的）播送，发射，发送；（无线电发射台和接收台之间的）传输

5.传送物；电报；（广播、电视播送的）节目

英语解释

the act of sending a message; causing a message to be transmitted

an incident in which an infectious disease is transmitted

the fraction of radiant energy that passes through a substance

the gears that transmit power from an automobile engine via the driveshaft to the live axle

communication by means of transmitted signals