The dead leaf butterfly, for example, looks like a dead leaf.

例如，枯叶蛱蝶看起来就像一片枯叶。

Masquerade (the dead leaf butterfly, for example) was the most effective technique, nearly quadrupling the time predators spent searching.

假扮(例如枯叶蛱蝶)是最有效的战术，能够让捕食者寻找猎物时间变为原来的四倍。