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....
Poland provide the opposition for the Scots' last warm-up match at home.苏格兰队在国内最后一场热身赛的对手是波兰队。Scots-born Annie, 37, has recently re-launched her phenomenally successful singing career.生于苏格兰的安妮37岁，最近复出，再度投身于其辉煌的歌唱事业中...