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...
青足鹬产于欧洲的一种涉禽 ( 鹬属青脚鹬 ),腿绿色,喙长.A European wading bird ( Tringa nebularia ) having greenish legs and a long bill.它的喙长得象一根垒球棒, 尖得象一把细长的利剑.It looks like the beak of a softball stick, like a slender tip of the sword....
水面静静的,只有那有规律的荡桨声打破了静夜的沉寂.Except for the rhythmic splash of the rudder oar, all was still.演艺船荡桨缓缓地向岸边前进.The showboat paddled slowly toward the shore....