fossil limestone造句

例句与造句

1. Sediments were deposited from the Devonian, Pitkin formation ( ocean-fossil limestone ), and the Fayetteville Shale.
2. The southern slopes of the Mendip Hills largely follow the flanks of an anticline, a well-cemented fossil limestone scree representing the infill of a Triassic valley.
3. The "'Kasra Fort "'which lies to the west of Moa on a hill feature above the Kasra Wadi ( river ) has evidence of fossil limestone walls to a height of.
4. It's difficult to find fossil limestone in a sentence. 用fossil limestone造句挺难的