| 单词 | 2-pyrrolidone | 
| 释义 | 2-pyrrolidone [¦tü pǝ`räl·ǝ´dēn]  ORGANIC CHEMISTRY C4H7ON Combustible, light-yellow liquid, boiling at 245°C; soluble in ethyl alcohol, water, chloroform, and carbon disulfide; used as a plasticizer and polymer solvent, in insecticides and specialty inks, and as a nylon-4 precursor.  | 
	
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