He was just telling everyone to look at the perfect way Malfoy had stewed his horned slugs when clouds of acid green smoke and a loud hissing filled the dungeon.

正当他让大家看马尔福蒸煮带触角的鼻涕虫的方法多么完美时，地下教室里突然冒出一股酸性的绿色浓烟，传来一阵很响的咝咝声。