n.煙渣，殘煙絲；老糊涂；傻瓜，笨蛋
adj.老糊涂的；愚蠢的，笨的
He steered the car with the other hand, knocking the dottle out into the ashtray. 他一只手開著汽車,另一只手把煙斗里吸剩的煙絲磕到煙灰缸里。
