常見例句雙語例句There are rich bivalve and brachiopodous fossils within the bioclastic limestone and calcareous mudstone in the Buqu Formation in age from Bathonian.布曲組中的生物碎屑灰?guī)r和鈣質(zhì)泥巖層中產(chǎn)大量的雙殼類和腕足類化石，時代為中侏羅世巴通期。 返回 bathonian age