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.(有關TCDD作為某些橙劑(一種在越戰中使用的落葉劑)中的有毒物質對健康的影響引起了廣泛的研究。)

Monsanto also produced the infamous Agent Orange, the cancer and birth-defect causing defoliant sprayed over Vietnam.(孟山都公司還生產了在越南到處噴灑導致癌癥與嬰兒缺陷的聲名狼藉的黃色脫葉劑。)

Agent Orange is a defoliant that was used during the Vietnam War era and known to cause cancer and other serious illnesses.(橙劑是一種脫葉劑，曾在越戰期間使用，已知會致癌和其他嚴重疾病。)

Through statistical observation of falling leaves, a more ideal formula of the defoliant was developed.(并且通過對落葉規律的觀察統計，篩選出比較理想的懸鈴木落葉劑配方。)

The crash had spilled a noxious defoliant into the planet's ecology, ravaging the native flora.(這次墜毀將一種有害的落葉劑灑入星球的生態系統中，破壞著當地的植物群。)

I had worked for nearly a year in a rubber plantation area sprayed with the toxic defoliant Agent Orange.(我還在一個橡膠園的地區工作了接近一年，那里到處噴灑著橙劑，是一種有毒的脫葉劑。)