acetenyl;ethynylacetylenylethinyl; ethynylethynyl groupethynyl; ethinyl; acetenyl乙炔: ethyne; acetylene基: base; foundation二乙炔基苯: diacetylene benzene伸乙炔基: ethynylene乙炔基苯: acetylenyl benzene下载手机词典可随时随地查词查翻译
