词语笑气
解释nitrous oxide
nitrous oxide〔名词〕一氧化二氮详细»
nitrous oxide〔名词〕笑气,氧化亚氮详细»
nitrous oxide①氧化亚氮②笑气详细»
nitrous oxide〔名词〕一氧化二氮,氧化亚氮详细»
笑气laughing gas详细»
笑气dental gas;laughing gas;laughinggas详细»
笑气〔名词〕nitrous oxide详细»
笑气nitrous oxide详细»