gas and air

名词 n.
中文释义

英文释义

名词 n.
  1. An equal mixture of nitrous oxide and oxygen, used as a mild analgesic and anaesthetic, particularly during childbirth, for dental procedures, and in emergency medicine. idiomatic,uncountable
    — Meronyms: nitrous oxide, N₂O; oxygen (strict sense), oxygen (loose sense), dioxygen, O₂
  2. Used other than figuratively or idiomatically: see gas, and, air. uncountable
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