an·es·thet·ic
noun/ˌænəsˈθetɪk/
/ˌænəsˈθetɪk/
(US English) (British English anaesthetic)
[uncountable, countable]- a drug that makes a person or an animal unable to feel anything, especially pain, either in the whole body or in a part of the body
麻醉药；麻醉剂