Nitrous oxide
其它 Other[化] 一氧化二氮; 笑氣\\n[醫(yī)] 一氧化氮, 笑氣
?? 牛津釋義
nitrous oxide
(also laughing-gas), gas sometimes used as an anaesthetic, esp by dentists 氧化亞氮, 笑氣（有時用作麻醉劑, 尤用於牙科）.
?? 詞語組成解析
nitrous
['naitr?s]
adj. 氮的，含氮的，硝石的;
oxide
['ɑksa?d]
n. [化]氧化物;
??? 情景例句
Say good-bye to Richard.
替我向Richard說聲再見。
One moment, please, and I'll find out what is available.
請等一等，我來查一查有什么班機。
The need to produce ever-increasing quantities of cheap food leads to a different kind of pollution.
日益增長的對廉價食物的需求導致了另一種形式的污染。