In most cases such patients have past histories of hy - pertension.在大多数情况下,这样的病人过去都有高血压的病史.To dramatize the necessity of clandestine warfare, instructors objectively recited case histories and their import.为了说明秘密战的必要性, 教...
“圣诞节以来物价降了4成，”他悲叹道。"Prices are down 40 per cent since Christmas," he lamented.年初以来，物价已经上涨了21%。Prices have climbed by 21% since the beginning of the year.明年物价一定会上涨。There are bound to be price increases next year....
花生态学家把风媒传粉种, 即风媒植物,同动物媒植物区别开来.Flower ecologists have distinguished the wind pollinators, i . e . the anemophilous plants from the zoidogamous plants.而互花米草是风媒植物,所以这样的结果会更加有利于它的成功入侵.Such result will be propitious to the in...