gas and air
noun[U]
UKuk/ˌɡæs ənd ˈeər/us/ˌɡæs ənd ˈer/(USnitrous oxide)amixtureofoxygenandnitrousoxide(= agaswith asweetsmell), that can bebreathedin toreducepain, forexampleduringchildbirthormedicalexaminations:
麻醉混合气（氧气和一氧化二氮的混合物，吸入可减少疼痛，用于分娩或医疗检查等）Hospitals havegasandair, which isinhaledand can be used at anytime.医院有麻醉混合气，可以随时吸入使用。
Gas andaircan be used from theonsetofyourlabour.麻醉混合气可以从分娩一开始就使用。
- He gave megasandairbut thepainjust gotworseandworse.
- Itriedsomegasandairbut that made mefeelsick.
- I onlyneededgasandairand aninjectionof pethidine forpainrelief.
Specific types of drug
- addictive
- alprazolam
- amnesiac
- amyl nitrite
- anaphrodisiac
- anti-AIDS
- anti-aphrodisiac
- aphrodisiac
- barbiturate
- caffeine
- GHB
- hallucinogen
- hallucinogenic
- khat
- legal high
- LSD
- MDMA
- meow meow
- psychedelic
- smack
You can also find related words, phrases, and synonyms in the topics:
Obstetrics: birth