noun🔗Share脑震荡，震荡。 A violent collision or shock."The forceful impact of the car crash caused a concussion. "那场车祸猛烈的撞击导致了脑震荡。medicinebodydiseasesportphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share脑震荡，脑部震荡伤。 An injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function."The soccer player suffered a concussion after being hit hard during the game. "这位足球运动员在比赛中被猛烈撞击后，得了脑震荡。medicinebodydiseaseanatomyphysiologysensationChat with AIVocabulary GamePractice Reading
noun🔗Share敲诈，勒索 The unlawful forcing of another by threats of violence to yield up something of value."The local gang demanded "protection money" from the shop owners, but when the owners refused, the gang used concussion to steal their daily earnings. "当地黑帮向店主索要“保护费”，但当店主拒绝时，黑帮便使用敲诈勒索的手段抢走了他们当天的收入。lawpoliceactionChat with AIVocabulary GamePractice Reading
