complainantn.
英 kəm'pleɪnənt | 美 kəm'plenənt
中文n. [法] 原告；发牢骚的人；抱怨者
词根词源
complainant (n.)early 15c., from Old French complaignant, present participle of complaindre (see complain). The present participle also was used as a noun in Middle French.
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