spider
Noun 蜘蛛, 设圈套者
Invalid [化] 星形轮

'These bob up and down as if on elastic. They have a radar detection device to help them avoid spider webs'
这种蝴蝶忽起忽落，就像有弹性一样。它们有一种雷达探测装置，可以帮它们避开蜘蛛网。;