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...
Chickens and ducks scratch around the outbuildings.鸡鸭在棚子周围到处乱刨。The track led them to a huddle of barns and outbuildings.那条路把他们带到了一片杂乱拥挤的谷仓和库房.The white blanket lapped over the roofs of the outbuildings of the little farm...
Boron - substituted polyaromatic mesophase prepared by co - pyrolysis of a tar pitch with pyridine - borane complex under autogeneous pressure.以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青....
一些特定的工作事实上将非白种人排斥在外。Non-white people are effectively excluded from certain jobs.以白种人为中心的学校课程a white, ethnocentric school curriculum一些白种人的孩子经常欺侮有色人种的孩子.Some white boys often bullied the coloured boys....