常见例句雙語例句These successions are the eastward extension of the Sewa Formation in the Shuanghu area and their age is assigned to the Middle Jurassic early-mid Bajocian.這套地層是雙湖地區色哇組的東延部分，時代確定爲中侏羅世早中巴柔期。 返回 Bajocian