血管周围细胞的营养不足,引起外膜的变性.Inadequate cell nutrition around vessels causes degeneration of tunica adventitia.假性动脉瘤一词用于只有一层动脉外膜的动脉瘤.A false aneurysm is the term applied when only the adventitia is present.心脏的外表面是由另一层结缔组织, 即心外膜所覆...
三条运输线为交易会服务.Three transportation lines will serve the fair.其外层环带还有沟通树冠和树根的运输线.The outer zones are the conducting routes between the crown and the roots.使用铁路运输线的人数在上升,这是个好兆头.One encouraging portent is that more people are...
He had been a cub reporter for the Kansas City Star.他曾是《堪萨斯城市星报》的一名年轻记者。Kansas City area churches kicked in $35,000 to support the event.堪萨斯城地区的教会为此事捐助了35,000美元。A very active cold front brought dramatic weather changes t...