transmitter基本解释
n.传播者;发射机;发射台;送话器
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基本词汇
n.传播者;发射机;发射台;送话器
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"return to sender"
"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"