acetylenediiodide乙炔: ethyne; acetylene化: change; turn; transform二: two碘: iodine乙炔化二卤: acetylenedihalide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:乙炔化二碘,即可在微信中查询翻译