当老师批评他时，他立刻反驳说作业已经完成了。

When the teacher criticized him, he quickly ___retorted that the homework was already done.

当她被批评时，她立即用一个机智的反驳让对方哑口无言。

When criticized, she quickly shut the other person up with a witty ___retort.

她把溶液倒入装有冷凝管的烧瓶中进行蒸馏。

She poured the solution into the ___retort attached to a condenser for distillation.