n.传输；传播；播送；变速器
He varied the transmission frequency. 他变换了无线电传送的频率。
Animals may serve as a vehicle for viral transmission. 动物可能成为病毒传播的媒介。
The company has a transmission plant in France. 那家公司在法国有一座变速器工厂。
A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
n.神经传递
