al·bi·anAHDˈalbēən 基本例句 阿尔必阶,阿尔布阶 Field survey and relevant study indicate that in the Cretaceous Albian- Cenomanian stages the Langshan Formation composed of marine limestone was deposited in central Tibet; 野外考察和有关的研究结果表明，白垩纪阿尔布—赛诺曼期，在西藏中部沉积了由海相灰岩组成的郎山组； cnki