polydiketopiperazine聚: assemble; gather; get togeth ...哌嗪: piperazine; vermex二: two酮: ketone; alkone; ket-; -one哌嗪二酮: piperazinedione下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:聚哌嗪二酮,即可在微信中查询翻译