Entonox
释义与例句
name
-
1.
A mixture of nitrous oxide and oxygen used as an analgesic, especially during labour.
医学Meronyms: nitrous oxide, N₂O; oxygen (strict sense), oxygen (loose sense), dioxygen, O₂
Near-synonym: gas and air (informal and nonproprietary name)
词源
Brand name.
来源:wiktionary