
好词典

源自拉丁语 transmittere,由 trans- (跨越) 和 mittere (发送) 组成,字面意思为'传送者'。
❶ 指用于发送信号、数据或无线电波的设备或装置,常用于通信、广播或电子设备中。
“The radio station uses a powerful transmitter to broadcast its signal.”
(广播电台使用强大的发射机来传输信号。)
“The satellite transmitter sends data back to Earth.”
(卫星发射器将数据传回地球。)
❶ 在生物学中,指传递神经信号的化学物质,如神经递质。
“Dopamine is an important neurotransmitter in the brain.”
(多巴胺是大脑中一种重要的神经递质。)
“The drug affects the release of transmitters in the nervous system.”
(这种药物影响神经系统中递质的释放。)
radio transmitter — 无线电发射机,用于发送无线电信号的设备。
“The radio transmitter was damaged during the storm.”
(无线电发射机在风暴中受损了。)
nerve transmitter — 神经递质,指在神经元之间传递信号的化学物质。
“Acetylcholine is a well-known nerve transmitter.”
(乙酰胆碱是一种著名的神经递质。)