那个小男孩模仿老师走路的姿势，逗得全班同学哈哈大笑。

The little boy ___mimicked his teacher's walking style, making the whole class burst into laughter.

这种无毒蛇会模仿毒蛇的外观来吓跑捕食者。

This harmless snake ___mimics the appearance of a venomous one to scare away predators.