Pirate spiders invade the webs of other spiders, in a bid to lur

Pirate spiders invade the webs of other spiders, in a bid to lure and then kill the unlucky architect. Gently, they pluck the strings of the web, enticing the host to approach. Once the host spider has ventured close enough, the pirate makes its move.
【正确答案】：一旦蜘蛛网的主人冒险来到足够近的距离,强盗蜘蛛就采取行动。