Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam.越南战场上用于毁灭林区的“橙剂”，其成分是二氧杂芑。There's also dioxin, a byproduct of paper manufacture and waste incineration.还有二恶英, 纸生产和废物燃烧的副产物.The iron ore sintering ...
Dibenzofuran ( DF ) is one of the model compounds for the study of biodegradation of dioxin - like pollutants.二苯并呋喃 ( DF ) 是研究二英类化合物生物降解的模式化合物之一.The iron ore sintering process is one of dioxin pollution sources.铁矿石烧结过程是二...
我给表上紧发条，听着它嘀嗒作响。I wound up the watch and listened to it tick.她表兄是美发师，正在免费给她烫发。Her cousin, a hairdresser, was perming her hair as a special treat.他们有权进来查表。They have the right to come in and inspect the meter....
Some economistsargue it understates the'real'inflation figure.一些经济学家认为,这个指标低估了 “ 真实”的通胀水平.Opponents say this understates the potential value to Google in the long run.反对者们表示,这种说法低估了谷歌长期的潜在价值....