[C]发射机，发报机，送话器 sth that transmits,especially an apparatus that sends out radio or television signals
英英释义
Noun:
someone who transmits a message;
"return to sender"
any agent (person or animal or microorganism) that carries and transmits a disease;
"mosquitos are vectors of malaria and yellow fever"
"fleas are vectors of the plague"
"aphids are transmitters of plant diseases"
"when medical scientists talk about vectors they are usually talking about insects"
set used to broadcast radio or tv signals
transmitter的用法和样例：
例句
用作名词 (n.)
The mosquito is a transmitter of disease. 蚊子能传播疾病。
That transmitter was beamed at Russia. 那台发射机曾用于对俄罗斯广播。
Your mobile device is a radio transmitter and receiver. 您的移动设备是无线电发射机和接收机。
The microphone, you see, acts much like a telephone transmitter. 你看，传声器作用与电话的送话器很相像。
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