1. The surgeon administered the anaesthetic agent before the operation.
手术前，外科医生使用了麻醉剂。
2. It is crucial to monitor the patient's vital signs after the anaesthetic agent is applied.
使用麻醉剂后，监测患者的生命体征至关重要。
3. The doctor chose a specific anaesthetic agent to ensure the patient remained asleep.
医生选择了一种特定的麻醉剂，以确保患者保持睡眠状态。

A: What kind of anaesthetic agent will be used for the surgery?
A：手术将使用哪种麻醉剂。

B: The doctor said they would use a common inhalational anaesthetic agent.
B：医生说他们将使用一种常见的吸入式麻醉剂。

1) 用于医疗手术中使患者失去知觉的化学物质。

2) 指代通过各种途径（如吸入或注射）给药的麻醉药物。

3) 麻醉学研究和临床应用中的核心术语。

1. 麻醉剂

e.g.
The patient reacted poorly to the anaesthetic agent.
患者对麻醉剂反应很差。

noun phrase

1. A substance used to induce a loss of sensation or consciousness, typically for medical purposes.