1N-COUNT 蜘蛛网 A cobweb is the net which a spider makes for catching insects. 蜘蛛网
2PHRASE 使人头脑清醒;使人精神振奋 If something blows or clears away the cobwebs, it makes you feel more mentally alert and lively when you had previously been feeling tired. 使人头脑清醒;使人精神振奋
...a walk on the South Downs to blow away the cobwebs.