n.茧，蚕茧( cocoon的名词复数 )；v.茧，蚕茧( cocoon的第三人称单数 )； 英英释义： cocoonn.silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggsv.retreat as if into a cocoon, as from an unfriendly environment"Families cocoon around the T.V.