n.发（放、辐）射体；发射极（板）；辐射源；放（发）射器；发送机；发射区

原形：emitter复数：emitters

The radio transmitter is the most important part of the communication system.
这个无线电发射器是通信系统中最重要的部分。
The laser emitter produces a powerful beam of light.
激光发射器产生一道强大的光束。
The fire alarm has an auditory and visual emitter for maximum effectiveness.
火警报警器有声音和视觉信号发生器以达到最佳效果。
The satellite's solar panels serve as both collectors and emitters of energy.
卫星的太阳能电池板既是能量收集器又是能量发射器。
The carbon dioxide emitted by factories contributes to global warming.
工厂排放的二氧化碳导致全球变暖。
She was wearing an emotion emitter, which allowed others to sense her feelings.
她戴着一个情绪发射器，让别人能感知她的情绪。
The microwave oven uses microwaves emitted by a magnetron to heat food.
微波炉使用磁控管发出的微波来加热食物。
The wireless keyboard uses Bluetooth technology as its signal emitter.
无线键盘使用蓝牙技术作为其信号发射器。
The plant emits oxygen during photosynthesis, providing us with breathable air.
植物在光合作用过程中释放氧气，为我们提供可呼吸的空气。
The new smartphone has an improved speaker for better audio emission.
这款新智能手机的扬声器有所改进，音质更好。