1
have a pacemaker fitted
fit, insert, implant 都可表示安装起搏器；此结构常为 have sth done 形式。
She had a pacemaker fitted in 2020.
她在2020年安装了起搏器。
起搏器；心脏起搏器
先理解核心含义，再看它在真实句子里的用法。
起搏器；心脏起搏器
an implanted electronic device that controls the heartbeat
She had a pacemaker fitted in 2020.
她在2020年安装了起搏器。
刺激心脏跳动的特化细胞。
Specialized cells which stimulate the heart to beat.
一种医疗设备,通过模拟自然起搏器的功能来刺激心脏跳动。
A medical implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker.
After his surgery, the doctor fitted him with a pacemaker to keep his heart rhythm steady.
手术之后，医生给他安装了起搏器，以保持心律稳定。
The pacemaker sends a small electrical pulse whenever the heartbeat becomes too slow.
当心跳变得过慢时，起搏器会发出一个小电脉冲。
She has had a pacemaker for five years and leads a completely normal life.
她安装起搏器已经五年了，生活完全正常。
fit, insert, implant 都可表示安装起搏器；此结构常为 have sth done 形式。
She had a pacemaker fitted in 2020.
她在2020年安装了起搏器。
这里指心脏自身的组织，意为“起搏点”；注意与“起搏器”（设备）区分。
The heart's natural pacemaker sends electrical signals.
心脏的天然起搏点发出电信号。
take over 意为“接管”，常用于说明起搏器取代天然起搏点的作用。
A pacemaker takes over the function of damaged heart tissue.
起搏器接管受损心脏组织的功能。
Not this
The doctor implanted a peacemaker in his chest.
Use this
The doctor implanted a pacemaker in his chest.
pacemaker 意为“起搏器”，peacemaker 意为“调解者、和事佬”，二者拼写相近但语义不同；此句说的是医疗器械，所以用 pacemaker。
Not this
He needs pacemaker.
Use this
He needs a pacemaker.
pacemaker 是可数名词单数，前面需要加冠词 a；汉语名词没有冠词，直译时容易漏掉。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
天然起搏点
The sinoatrial node is the heart's natural pacemaker.
窦房结是心脏的天然起搏点。
人工起搏器
Doctors fitted him with an artificial pacemaker.
医生给他安装了人工起搏器。
植入起搏器
The surgeon will implant a pacemaker to regulate his heartbeat.
外科医生将植入起搏器来调节他的心跳。
起搏器电池
The pacemaker battery needs to be replaced every seven years.
起搏器电池需要每七年更换一次。
起搏器导线
The pacemaker lead connects the device to the heart muscle.
起搏器导线将装置连接到心肌。
Use pacemaker naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
pace=步伐节奏，maker=制造者；起搏器就是制造心跳节奏的装置。
语域：neutral 常见场景：cardiology、patient care、general health conversations 作“起搏器”（植入式电子装置）时，在医疗和日常谈论健康时都很常见，属中性；在专业生理学里指“心脏起搏点”时偏正式。实际使用中多根据语境自然选用。
这些词都以 -maker 结尾，尾部都读 /meɪkə/，与 pacemaker 的 meikə 发音一致，可作押韵参考。注意 peacemaker 和 pacemaker 拼写相近，但前半部分不同：peace- 读 /piːs/，pace- 读 /peɪs/。
Dictionary facts from ECDICT, WIKTIONARY.