右心房缘变平亦见于缩窄性心包炎.Flattening of the right atrial border is also seen in constrictive pericarditis.一阵剧烈的焦虑,象把刀子似的,直扎进普瑞斯莱的心房.A poignant anxiety thrust itself sharply into Presley's heart.心房纤颤比心房扑动更为常见.Atrial fibrillati...
Once its impurities had settled, the oil could be graded.一旦杂质沉淀下去，油就可以分级了。A filter will remove most impurities found in water.过滤器会滤掉水中的大部分杂质。Oil is refined to remove naturally occurring impurities.油经过提炼去除天然存在的杂质。...
to espouse a cause拥护某事业Some teachers enthusiastically espouse the benefits to be gained from educational software.有些教师热烈赞同可以从教学软件中得到好处的观点.People shelve the out - of - fashion moral icon and espouse the philosophy of egoi...
An optimist sees an opportunity in every calamity; a pessimist sees a calamity in every opportunity.乐观者于一个灾难中看到一个希望，悲观者于一个希望中看到一个灾难。The frost last week was a great calamity to the citrus industry.上周的霜冻对柑橘种植业是一场大灾难.The ma...