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(guān)TCDD作為某些橙劑(一種在越戰(zhàn)中使用的落葉劑)中的有毒物質(zhì)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(chǎn)了在越南到處噴灑導(dǎo)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(zhàn)期間使用，已知會致癌和其他嚴(yán)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(guī)律的觀察統(tǒng)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(tài)系統(tǒng)中，破壞著當(dāng)?shù)氐闹参锶骸?

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(qū)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。)