The destructive and malignant neoplasms of chorionic epithelium often arise from hydatidiform moles.破坏性和恶性的绒毛膜上皮癌往往是葡萄胎所引起.Moles dug tunnels under the lawn.?鼠在草地下面打洞.Moles have powerful forefeet for digging.鼹鼠的前足非常有力，擅长挖...
I found myself smiling back instinc-tively when our eyes met.我发现当我们的目光相遇时，我本能地还以微笑。Smiling for the cameras, the two men strained to make small- talk.两名男士微笑着面对镜头，东拉西扯着。Luke's mother stopped smiling and looked reproac...
Except to burn innocents in the name of God.就只能假借上帝旨意,把一些无辜者判处火刑烧来烧去.It was inevitable that same innocents suffered.有些无辜的人也遭了殃,这是难免的了.Those who borrowed the money to buy houses may, however, be deemed innocents.然而, 那些借钱买...
吃过晚饭，尼娜和玛丽在厨房里收拾。Nina and Mary were in the kitchen, cleaning up after dinner.他得为尼娜付一大笔私立学校的学费。He will have to fork out for private school fees for Nina.尼娜无法将她的视线从菲利普身上移开。Nina couldn't take her eyes off Philip....
Most babies have a closed ductus arteriosus by 72 hours after birth.大多数婴儿在出生后72小时内动脉导管闭合.Figure B shows a heart with a patent ductus arteriosus.图B显示了存在“开放性动脉导管”问题的心脏.What are the symptoms of a patent ductus arteriosus?动脉...