四月二十一日，一千名高中生将齐聚耶鲁老校区，欢迎他们的将是三层楼高的充气塑像：耶鲁的吉祥物牛头狗“帅哥丹”。
ON APRIL 21st 1,000 high-school students will flock to Yale's Old Campus to be greeted by a three-storey, inflated statue of the university's bulldog mascot, Handsome Dan.
牛头山古火山历经四期喷发，地表可见四层喷溢相玄武岩层和两处火山颈相岩石出露。
The porosity and permeability of typical basaltic rocks have been analyzed. Four effusive facies basalt layers and two volcanic necks with rock outcrops can be identified.
牛头山古火山历经四期喷发，地表可见四层喷溢相玄武岩层和两处火山颈相岩石出露。
The porosity and permeability of typical basaltic rocks have been analyzed. Four effusive facies basalt layers and two volcanic necks with rock outcrops can be identified.
应用推荐