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单词 nitrous oxide
释义 nitrous oxide
[`nī·trǝs `äk´sīd]
INORGANIC CHEMISTRY
N2OColorless, sweet-tasting gas, boiling at -90°C; slightly soluble in water, soluble in alcohol; used as a food aerosol, and as an anesthetic in dentistry and surgery. Also known as laughing gas; nitrogen monoxide.
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