| 释义 |
eth·yl·ene AHD[ĕthʹə-lēn'] D.J.[ˈeθəˌliːn]K.K.[ˈɛθəˌlin]n.（名词）- A colorless, flammable gas, C2H 4, derived from natural gas and petroleum and used as a source of many organic compounds, in welding and cutting metals, to color citrus fruits, and as an anesthetic. Also called ethene 乙烯：一种无色易燃气体，C2H 4，可从天然气和石油中获得，用作许多有机化合物的来源，用于焊接和切割金属，柑桔属水果的着色，以及用作麻醉剂 也作 ethene
eth'yleʹnic AHD[-ə-lēʹnĭk, -lĕnʹĭk] （形容词） |