one who attacks the reputation of another by slander or libel 同义词：defamer, maligner, slanderer, vilifier, libeler, backbiter,
例句与用法
1.
The structure and material of traducer elastomer were researched , in order to develop a transducer for micro - electronic balance 摘要为开发一种微型电子秤用小量程传感器，文章对传感器弹性体的材料和结构进行了研究。
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