sylvestrene枞: fir a surname油: oil; fat; grease烯: alkene; olefince消旋枞油烯: carvestrene银枞油: silver fir oil下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:枞油烯,即可在微信中查询翻译