laughing-gas笑气;翻译;氧化亚氮
laughing gas inspiration笑气吸入
inhaling laughing gas笑气吸入
n o laughing gas氧化亚氮
同义词:nitrous oxide
N-UNCOUNT(不可数名词) Laughing gas is a type of anaesthetic gas which sometimes has the effect of making people laugh uncontrollably. (用作麻醉剂的)笑气