例句與造句

1. Establish and genesis of oceanic island basic volcanic rock early carboniferous in northern of daxing ' anling
   大興安嶺北段早石炭世洋島型玄武巖的確立及成因意義
2. The lower part formed in a littoral - epeiric environment , is a series of elastic rocks , partly contains carbonate rock and metamorphic basic volcanic rocks and the upper part formed in a bathypelagic environment is a series of sediments with chert , partly contains metamorphic basic volcanic rocks
   其下部為一套濱淺相碎屑巖，局部夾碳酸鹽巖、變質(zhì)基性火山巖；上部為一套深水沉積巖系夾硅質(zhì)巖，局部夾變質(zhì)基性火山巖。
3. It's difficult to find basic volcanic rock in a sentence. 用basic volcanic rock造句挺難的