1
be under anesthesia
这是描述病人处于麻醉状态的常用搭配。
The patient was under anesthesia during the operation.
病人在手术过程中处于麻醉状态。
麻醉；麻木
先理解核心含义，再看它在真实句子里的用法。
麻醉；麻木
loss of bodily sensation with or without loss of consciousness
The patient was under anesthesia during the operation.
病人在手术过程中处于麻醉状态。
身体感觉的丧失,可伴或不伴意识丧失
loss of bodily sensation with or without loss of consciousness
The dentist gave me anesthesia before removing the tooth.
牙医在拔牙前给我打了麻醉。
After the surgery, the patient slowly woke up as the anesthesia wore off.
手术结束后，随着麻醉逐渐消退，病人慢慢醒来。
She was awake during the procedure because only local anesthesia was used.
手术过程中她是清醒的，因为只用了局部麻醉。
这是描述病人处于麻醉状态的常用搭配。
The patient was under anesthesia during the operation.
病人在手术过程中处于麻醉状态。
正式用语，表示给病人用药使其失去知觉；口语中也可说 give anesthesia。
The anesthesiologist administered anesthesia before the surgery.
麻醉师在手术前施行了麻醉。
Not this
The patient was in anesthesia during the operation.
Use this
The patient was under anesthesia during the operation.
表示“处于麻醉状态”时，英语用固定搭配 under anesthesia；这里的 in 是学习者受中文“在麻醉中”的影响造出的错误搭配。
Not this
The doctor gave me an anesthesia before the surgery.
Use this
The doctor gave me anesthesia before the surgery.
anesthesia 指“麻醉（状态）”时是不可数名词，不能加不定冠词 an；若指“麻醉剂”，应改用 an anesthetic。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
全身麻醉
The surgery requires general anesthesia.
这项手术需要全身麻醉。
局部麻醉
The dentist used local anesthesia before the procedure.
牙医在手术前使用了局部麻醉。
在麻醉状态下
The patient was under anesthesia for three hours.
病人处于麻醉状态三个小时。
麻醉机
The anesthesiologist checked the anesthesia machine before the operation.
麻醉师在手术前检查了麻醉机。
术中知晓
Anesthesia awareness is a rare but serious complication.
术中知晓是一种罕见但严重的并发症。
麻醉（拔牙）
Metallica's song 'Anesthesia (Pulling Teeth)' is famous for its bass solo.
Metallica 的歌曲《麻醉（拔牙）》因贝斯独奏而闻名。
Use anesthesia naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 anesthesia 拆成 an + esthesia，想象麻醉后‘安’静躺着，一切感觉（esthesia）消失，只剩麻木。
语域：formal 常见场景：medical、surgery、clinical documentation 该词多用于医学或正式书面语，日常口语中较少使用；表示麻醉或失去知觉的状态。
以上除 anesthetic 外均以 /θiʒə/ 结尾，与 anesthesia 押韵；anesthetic 读作 /ˌænɪsˈθetɪk/，拼写相近但不押韵，注意区分 -esthesia（/ɪsˈθiʒə/）与 -esthetic（/ɪsˈθetɪk/）。
Dictionary facts from ECDICT, WIKTIONARY.