bcb benzocyclohutene benzo cyclo butene丙: the third of the Ten Heavenl ...环: ring; hoop丁烯: butylene; butene环丁烯: cyclobutane; cyclobutene; cyclobutylene环丁烷 环丁烯: cyclobutane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:苯丙环丁烯，即可在微信中查询翻译
