1
undergo an endoscopy
undergo 表示病人作为接受者接受检查。
The patient had to undergo an endoscopy to examine her stomach.
病人必须接受内窥镜检查以检查她的胃。
内窥镜检查
endoscopies — plural of endoscopy
先理解核心含义，再看它在真实句子里的用法。
内窥镜检查
the visual examination of the inside of a hollow body organ using an endoscope
The patient had to undergo an endoscopy to examine her stomach.
病人必须接受内窥镜检查以检查她的胃。
使用内窥镜对身体孔口、管道或器官进行的检查。
The examination of a bodily orifice, canal or organ using an endoscope.
The doctor recommended an endoscopy to find out why the patient had constant stomach pain.
医生建议做内窥镜检查，以查明患者持续胃痛的原因。
She felt nervous before her endoscopy, but the procedure took only twenty minutes.
她在做内窥镜检查前感到紧张，但整个过程只花了二十分钟。
Endoscopy lets doctors see inside the body without making a large cut.
内窥镜检查让医生无需做大切口就能看到体内情况。
undergo 表示病人作为接受者接受检查。
The patient had to undergo an endoscopy to examine her stomach.
病人必须接受内窥镜检查以检查她的胃。
perform 强调医生等操作者执行检查。
The doctor performed an endoscopy on the patient's colon.
医生对病人的结肠进行了内窥镜检查。
用 of 指明被检查的具体器官。
Endoscopy of the esophagus can detect early signs of cancer.
食管内窥镜检查可以发现癌症的早期迹象。
during endoscopy 作时间状语，此处 endoscopy 前不加冠词。
The surgeon took tissue samples during endoscopy.
外科医生在内窥镜检查过程中采集了组织样本。
Not this
The doctor used an endoscopy to examine the stomach.
Use this
The doctor used an endoscope to examine the stomach.
endoscopy 指内窥镜检查这一操作或过程，而 endoscope 才是内窥镜器械。此句表达使用器械，故须用 endoscope，不可用 endoscopy。
Not this
The patient needs endoscopy tomorrow.
Use this
The patient needs an endoscopy tomorrow.
endoscopy 作可数名词表示一次检查时，前面需要不定冠词 an。'needs endoscopy' 缺少冠词，应改为 'an endoscopy'。
Not this
The hospital performed three endoscopys this morning.
Use this
The hospital performed three endoscopies this morning.
endoscopy 的复数形式是 endoscopies：以辅音字母加 y 结尾，变 y 为 i 再加 es，不能直接加 s 写成 endoscopys。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
上消化道内窥镜检查
The doctor ordered an upper endoscopy to examine her stomach.
医生安排了上消化道内窥镜检查她的胃。
接受内窥镜检查
He will undergo an endoscopy tomorrow morning.
他明天早上将接受内窥镜检查。
内窥镜检查程序
The endoscopy procedure takes about 20 minutes.
内窥镜检查程序大约需要20分钟。
内窥镜检查结果
We are waiting for the endoscopy results.
我们在等待内窥镜检查结果。
胶囊内窥镜检查
Capsule endoscopy allows doctors to see the small intestine.
胶囊内窥镜检查让医生能够看到小肠。
诊断性内窥镜检查
Diagnostic endoscopy can help identify the cause of bleeding.
诊断性内窥镜检查有助于确定出血原因。
Use endoscopies naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象镜头伸进体内观看：endo像“inside”，scope是“看”，记作“内里窥看”。
语域：formal 常见场景：medical reports、clinical discussions、patient education materials endoscopy 是医学术语，多用于正式或专业场合，如医疗记录和学术文献；日常口语中较少使用。
The six words above are lookalikes sharing the spelling suffix '-oscopy' and final /skəpi/, but none rhymes exactly with endoscopy: the stressed vowel in endoscopy is /ɔ/ (en-DOS-kə-pi), whereas these words use /ɒ/ or /ɑː/ (e.g., colonoscopy /kɒl.əˈnɒs.kə.pi/). Compare the stress position carefully.
Dictionary facts from ECDICT, WIKTIONARY.