持久性毒剂 chíjiǔxìngdújì persistent agent Definitions Defs Origin Strokes Stroke Words Sentences Sents 持久性毒剂 持久性毒劑 chíjiǔxìngdújì persistent agent a chemical warfare agent that remains effective for a long period of time
持久性毒剂 持久性毒劑 chíjiǔxìngdújì persistent agent a chemical warfare agent that remains effective for a long period of time
