laccolithic mountain中文什么意思

• 岩盘山

• mountain:    n. 1.(比 hill 大的)山,山岳；〔pl.〕山脉 ...
• laccolithic dome:    菌状穹隆
• laccolithic sill:    岩盖式岩床
• the mountain is:    山是
• mountain gun; mountain artillery:    山炮