The discovery of the cowpox vaccination let the danger of vaccination more less, and cost lest.牛痘术的发明使种痘的危险性更小, 花费也降到最低,故而很快在全世界推广开来.In nineteen century, Enligh doctor Pearson came to Macao to spread the cowpox vaccinati...
曲线型是他绘画的一贯特点.The distortion of form is a constant in his painting.高温有机物固体的前途在于它具有真正刚硬, 线型的大分子.The future of high temperature organic solids lies with intrinsically rigid, linear macromolecules.由两种或多种不同单体的混合物能得到线型共聚合物.The...
Silent Night is my favourite carol.《平安夜》是我最喜欢的圣诞颂歌。Carol managed a few proper snivels for the sake of appearance.为了做做样子,卡萝尔适时地抽了几下鼻子。Carol Garcia is a salesperson.卡罗尔,加西亚是一名售货员.Carol's hair had a slightly frizzy per...