
好词典

源自希腊语 'anaisthēsia'(αν- '无' + aisthēsis '感觉'),17世纪通过新拉丁语进入英语。
❶ 麻醉状态,指通过药物或其他方法使身体局部或全部暂时失去知觉,常用于手术或医疗操作中以避免疼痛。
“The patient was under general anaesthesia during the surgery.”
(手术过程中患者处于全身麻醉状态。)
“Local anaesthesia is often used for minor dental procedures.”
(局部麻醉常用于小型牙科手术。)
❶ 麻木或感觉缺失的状态,可能是病理性的或由外部因素引起,如寒冷或疾病。
“The extreme cold caused a temporary anaesthesia in his fingers.”
(极寒天气使他的手指暂时失去知觉。)
“Nerve damage can lead to chronic anaesthesia in affected areas.”
(神经损伤可能导致受影响区域长期感觉缺失。)
general anaesthesia — 全身麻醉,使患者完全失去意识和感觉,通常用于重大手术。
“The complex heart surgery required general anaesthesia.”
(这项复杂的心脏手术需要全身麻醉。)
local anaesthesia — 局部麻醉,仅使身体特定部位失去感觉,患者保持清醒。
“The dentist applied local anaesthesia before filling the cavity.”
(牙医在补牙前使用了局部麻醉。)