TCDD has also been extensively studied for health effects linked to its presence as a contaminant in some batches of the herbicide Agent Orange, which was used as a defoliant during the Vietnam War.(有关TCDD作为某些橙剂(一种在越战中使用的落叶剂)中的有毒物质对健康的影响引起了广泛的研究。)
Monsanto also produced the infamous Agent Orange, the cancer and birth-defect causing defoliant sprayed over Vietnam.(孟山都公司还生产了在越南到处喷洒导致癌症与婴儿缺陷的声名狼藉的黄色脱叶剂。)
Agent Orange is a defoliant that was used during the Vietnam War era and known to cause cancer and other serious illnesses.(橙剂是一种脱叶剂，曾在越战期间使用，已知会致癌和其他严重疾病。)
Through statistical observation of falling leaves, a more ideal formula of the defoliant was developed.(并且通过对落叶规律的观察统计，筛选出比较理想的悬铃木落叶剂配方。)
The crash had spilled a noxious defoliant into the planet's ecology, ravaging the native flora.(这次坠毁将一种有害的落叶剂洒入星球的生态系统中，破坏着当地的植物群。)
I had worked for nearly a year in a rubber plantation area sprayed with the toxic defoliant Agent Orange.(我还在一个橡胶园的地区工作了接近一年，那里到处喷洒着橙剂，是一种有毒的脱叶剂。)
