越南战场上用于毁灭林区的“橙剂”，其成分是二氧杂芑。Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam.所形成的水解反应物是二盐酸甲撑二氧胺.The resultant hydrolytic reaction product is methylenedioxyamine dihydrochloride.后者是由二氧杂环戊烷中活化较弱的C -H 键离解而...
Let me give another example to illustrate this difficult point...我再举个例子来说明这个难点。The solid rank of police officers lining the courtroom opened to let them pass.把法庭围得水泄不通的一队警察让开一条路让他们通过。I let the water run into it and we wa...
...patients with a welter of confusing symptoms.有一堆疑难症状的病人a welter of information一大堆杂乱的信息In the latest welter of housing data, some have seen green shoots.有些人在最近杂乱无章的房屋数据中看到了复苏的萌芽....the welter of publicity that followed...
他痛斥了邀请其他大主教同仁布道的决定。He denounced the decision to invite his fellow archbishop to preach.她低下头轻吻大主教的戒指。She bowed her head and kissed the Archbishop's ring.教皇给他施了涂油礼，任命其为大主教。The Pope has anointed him as Archbishop....
纸圈挂在这些桅杆上,形成许多长条的花彩.The paper is looped over these spars in long festoons.帆拍打着桅杆.The sails were flapping against the mast.有一只海鸥停歇在桅杆上.There is a seagull perched atop the mast....