My father was a historian of repute. His speciality was the history of Germany...我的父亲是一名颇有名气的历史学家，他专门研究德国历史。Seafood is a speciality on the island.海味是岛上的特产。Taught in the speciality of Refrigeration & Cryogenics. The profe...
The future of high temperature organic solids lies with intrinsically rigid, linear macromolecules.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.Claude looked up at him, his face rigid with fear, dumb.克劳德抬起头来看他, 脸上充满恐惧, 说不出一句话来.He balance...