Ajjern.阿杰尔(地区)(在阿尔及利亚)aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号a sensuous painting一幅引起美感的绘画aquichture industry工厂化养殖a matter of routine例行手续的问题a bunch of radishes一捆小萝卜A paternal trait.从父亲遗传来的特点A Farewell to Pluto再见了,冥王星!a curve in the road路转弯a peremptory manner专横的态度A closed circuit.闭合电路a bunch of malarkey假话；空话

1. These bad guys are the dregs of the society.
   这些坏蛋是社会的渣滓。
2. I warned her to keep away from that bad set.
   我警告过她不要接近那帮坏蛋。
3. Police said the man was a danger to the public.
   警方说这个男人对公众是个危险分子。