suffer a concussion
concussion 在此指一次脑部损伤，是可数名词。
He suffered a concussion during the football match.
他在足球比赛中遭受了脑震荡。
脑震荡
concussions — plural of concussion
猛烈撞击；剧烈震动；剧烈摇动；震荡；[医] 震荡
injury to the brain caused by a blow, usually resulting in loss of consciousness
剧烈摇动；震荡
n. injury to the brain caused by a blow; usually resulting in loss of consciousness；n. any violent blow
After the car accident, the doctor checked him for a concussion.
车祸后，医生检查他有没有脑震荡。
用法提示：名词“concussion”作介词“for”的宾语，指因撞击造成的脑损伤。
She was kept in the hospital overnight because of a concussion.
她因脑震荡被留在医院过夜。
用法提示：名词“concussion”作介词“of”的宾语，表示脑震荡。
Repeated concussions can cause long-term memory problems.
反复的脑震荡可能导致长期的记忆问题。
用法提示：复数“concussions”作主语，指多次脑部损伤。
concussion 在此指一次脑部损伤，是可数名词。
He suffered a concussion during the football match.
他在足球比赛中遭受了脑震荡。
常与 from 连用，说明造成脑震荡的原因。
She got a concussion from the fall.
她因摔了一跤而脑震荡。
这种说法多用于医疗或新闻报道中。
The player was diagnosed with a concussion after the collision.
该球员在碰撞后被诊断出脑震荡。
强调物体碰撞时的作用力，不一定包含剧烈摇晃的含义；在表示爆炸冲击的语境可与 concussion 互换，但较强调接触瞬间的力。
泛指任何突然的剧烈震动或打击，范围比 concussion 宽；在“爆炸的冲击”等语境中可与 concussion 互换，但可指非物理性冲击。
指短促、突然的震动或摇晃，强度通常低于 concussion 所暗示的猛烈程度，且不一定造成伤害或持续影响。
grammar · medium
易错句子He is concussion from the car accident.
正确表达He has a concussion from the car accident.
concussion 是名词，不能直接放在 be 动词后描述人的状态。表示“得了脑震荡”要用 have a concussion 或 be concussed。
grammar · medium
易错句子I caught a concussion in the football match.
正确表达I got a concussion in the football match.
catch 一般用于感冒等传染性疾病，脑震荡是外伤造成的，不用于传染，应使用 get/suffer/have a concussion。
contusion 指组织挫伤或瘀伤，重点在可见的损伤；concussion 是脑震荡，重点在脑功能受影响，常伴意识丧失。两者读音相近且都可由撞击引起，但医学含义不同。
commotion 指人群的骚动或噪音，是外界事件；concussion 是头部受伤的医学状态。两词发音相似，但意义完全不同。
concession 指谈判中的让步或商业特许权，是抽象行为；concussion 是脑部外伤。二者拼写相近，但语义毫无关联，不是医学用语。
遭受脑震荡
He suffered a concussion during the game.
他在比赛中遭受了脑震荡。
受到脑震荡
She sustained a concussion after falling off her bike.
她骑自行车摔倒后受到了脑震荡。
轻度脑震荡
The doctor said it was a mild concussion and no treatment was needed.
医生说这是轻度脑震荡，不需要治疗。
脑震荡处理规程
The team followed the concussion protocol before letting him play again.
球队在让他再次上场前遵循了脑震荡处理规程。
脑震荡症状
Headache and dizziness are common concussion symptoms.
头痛和头晕是常见的脑震荡症状。
被诊断出脑震荡
She was diagnosed with a concussion after the accident.
事故发生后，她被诊断出脑震荡。
con-（共同，一起）+ -cuss-（摇动，打击）+ -ion（行为/状态）；同根词：percussion、discuss；同后缀词：action、education
不存在轻微的脑震荡。
The doctor reminded the player that there is no such thing as a minor concussion.
医生提醒那名球员，不存在轻微的脑震荡。
Dictionary facts from ECDICT, WIKTIONARY.