这个词是什么意思？
A herbicide that contains equal parts of 2,4-dichlorophenoxyacetic acid (2,4-D) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), as well as traces of the contaminant 2,3,7,8-tetrachlorodibenzo-p-dioxin.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000075182 · MeSH 2026。
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二𫫇英Polychlorinated Dibenzodioxins2,4-二氯苯氧乙酸2,4-Dichlorophenoxyacetic Acid2,4,5-三氯苯氧乙酸2,4,5-Trichlorophenoxyacetic Acid