ITQ - 27 is stable to calcination in air , absorbs hydrocarbons , and is catalytically active for hydrocarbon conversion.ITQ-27对于在空气中煅烧而言是稳定的, 可以吸附烃类,以及对烃转化具有催化活性.Any of three gaseous isomeric ethylene hydrocarbons , C 4...
他整天都劲头十足地写他的新书。He had worked energetically all day on his new book.他似乎有一股近乎疯狂的劲头。He seemed to have an almost manic energy.他们不屈不挠专心致志的劲头简直是一种壮举。Their dogged single-mindedness is almost heroic....
If Christine has flu, a footbath with mustard flour would do her good.如果克里斯廷有感冒, 用芥末面粉对她的感冒有好处.My name is Christine Villiers . I need to talk to you.我叫克里斯蒂娜·维利耶. 我有话跟你说.She stared past Christine at the bed.她的目光越过克里斯蒂娜盯着床...