anaesthesia
noun [ U ] mainly UK (US usually anesthesia) uk/ˌæn.əsˈθiː.zi.ə/ /ˌæn.əsˈθiː.ʒə/ us/ˌæn.əsˈθiː.zi.ə/ /ˌæn.əsˈθiː.ʒə/
（通常指被施用药物后的）麻醉状态
a state in which someone does not feel pain, usually because of drugs they have been given
medical specialized感觉缺失，麻木
the quality of being unable to feel heat, cold, pain, touch, etc.