那个男孩喜欢模仿老师的口音逗大家笑。

The boy loves to ___mimic his teacher's accent to make everyone laugh.

这种蝴蝶的翅膀模仿枯叶，能有效伪装自己。

The butterfly's wings ___mimic dead leaves to camouflage itself effectively.

这种无毒蛇的外表模仿剧毒蛇的样子来吓跑天敌。

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