lithic wacke造句

例句与造句

1. For example, a quartz arenite would be composed of mostly ( > 90 % ) quartz grains and have little or no clayey matrix between the grains, a lithic wacke would have abundant lithic grains and abundant muddy matrix, etc.
2. It's difficult to find lithic wacke in a sentence. 用lithic wacke造句挺难的