['ænəsθetɪk]

1. Noun: a substance that causes loss of feeling or awareness.

2. Adjective: causing loss of feeling or awareness.

3. Pronunciation: ænəsθetɪk

4. Definition:

- Noun: a drug or substance that is used to numb the body, especially during medical procedures.

- Adjective: relating to or causing a loss of sensation or consciousness.

5. Examples:

1. The dentist applied an anaesthetic before starting the procedure.

牙医在开始治疗前先施用了麻醉剂。

2. The patient was given an anaesthetic to help with the pain during the surgery.

病人在手术过程中被给予麻醉剂以减轻疼痛。

3. The anaesthetic took effect quickly and the patient fell into a deep sleep.

麻醉剂很快生效，病人就陷入了深度睡眠。

4. Some people may have adverse reactions to certain types of anaesthetics.

有些人可能对某些类型的麻醉剂产生不良反应。

5. The doctors had to administer a stronger anaesthetic for the complicated surgery.

医生们不得不给复杂的手术施用更强效的麻醉剂。

6. Synonyms:

- Noun: numbing agent, painkiller, sedative

- Adjective: numbing, pain-relieving, sedating

7. Editor's Summary:

Anaesthetic is a noun and adjective that refers to a substance that causes loss of feeling or awareness. It is commonly used in medical settings to numb the body or induce unconsciousness during procedures. It is important for medical professionals to carefully administer anaesthetics and monitor patients for any adverse reactions. Some common synonyms include numbing agent, painkiller, and sedative.