She opens her umbrella, and walks up River Street.她撑开伞，沿着河街向前走。The film opens seductively.这部电影的开场很吸引人。The complex opens to the public tomorrow.这幢综合大楼将于明天对公众开放。...
从苯乙腈制取苯基硝基甲烷就用这个方法.This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.设计了一套回收制药废液中乙腈的新工艺.A novel process of acetonitrile recovery from pharmaceutical effluent was designed.有机氰化物, 如乙腈 、 ...