1
undergo physiotherapy
physiotherapy 是不可数名词，不能用 a physiotherapy。
After the knee injury, she had to undergo physiotherapy for three months.
膝盖受伤后，她不得不接受三个月的物理治疗。
物理疗法；理疗
先理解核心含义，再看它在真实句子里的用法。
物理疗法；理疗
therapy that uses physical agents such as exercise, massage, and other modalities
After the knee injury, she had to undergo physiotherapy for three months.
膝盖受伤后，她不得不接受三个月的物理治疗。
物理疗法
therapy that uses physical agents: exercise and massage and other modalities
After his knee surgery, the doctor recommended physiotherapy to help him regain strength.
膝盖手术后，医生建议他做理疗来恢复力气。
She has been attending physiotherapy twice a week since her back injury.
自从背部受伤以来，她每周去做两次理疗。
The clinic offers physiotherapy for people recovering from sports injuries.
这家诊所提供针对运动损伤康复的理疗服务。
physiotherapy 是不可数名词，不能用 a physiotherapy。
After the knee injury, she had to undergo physiotherapy for three months.
膝盖受伤后，她不得不接受三个月的物理治疗。
refer sb for sth 表示“安排某人接受某种治疗”。
The doctor referred him for physiotherapy to help with his back pain.
医生让他转诊接受物理治疗，以缓解背痛。
course 在这里指“疗程”，是可数名词。
A course of physiotherapy helped her recover her shoulder mobility.
一个疗程的物理治疗帮助她恢复了肩部的活动能力。
Not this
I had a physiotherapy last week.
Use this
I had physiotherapy last week.
physiotherapy 是不可数名词，不能直接加不定冠词 a；表示一次治疗可说 a session of physiotherapy 或 a physiotherapy session。去掉 a 即可。
Not this
The physiotherapy said I should rest my ankle.
Use this
The physiotherapist said I should rest my ankle.
physiotherapy 指“理疗（疗法）”，不是人；表示“理疗师”要用 physiotherapist。这里主语应为“人”，所以用 physiotherapist。
Not this
I took physiotherapy for my shoulder injury.
Use this
I had physiotherapy for my shoulder injury.
表示“接受理疗”时，动词常用 have、receive 或 undergo，不直接用 take；take 多用于 take medicine（服药）。此处应把 took 改为 had。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
接受理疗
After the accident, she had to undergo physiotherapy for six months.
事故后，她不得不接受六个月的理疗。
理疗疗程
Each physiotherapy session lasts about forty minutes.
每次理疗疗程大约持续四十分钟。
物理治疗
The doctor recommended physiotherapy treatment for his back injury.
医生建议他的背部损伤接受物理治疗。
理疗锻炼
She does the physiotherapy exercises every morning to strengthen her knee.
她每天早上做理疗锻炼以增强膝盖力量。
理疗诊所
The physiotherapy clinic is open from Monday to Saturday.
理疗诊所周一至周六开放。
Use physiotherapy naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 physio 看成 physical 的开头，therapy 是治疗；合起来就是“物理治疗”，即理疗。
语域：neutral 常见场景：医疗咨询、康复治疗、健康科普 通常用于正式或半正式的医疗与健康语境，日常口语中也可能出现，但更常见于涉及治疗方案的讨论。
与 physiotherapy 真正押韵的词有 therapy、psychotherapy、chemotherapy、hydrotherapy，它们都以 /ˈθerəpi/ 结尾。注意 physiology (/ˌfɪziˈɑːlədʒi/) 和 physical (/ˈfɪzɪkəl/) 虽然拼写以 physi- 开头，但发音不同，并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.