aptian
英语音标
英式：[æpˈʃiːən]美式：[æpˈʃiːən]
英语翻译
阿普弟阶,阿普第阶
英语例句
The shale of lower Aptian stage and Barremian stage of Lower Cretaceous is the effective source rock. 有效烃源岩为下白垩统阿普第阶下部和巴列姆阶；
The palynological evidence suggests that the Lower Kizilsu Group should belong to Neocomian or Hauterivian to Barremian in age and the Upper Kizilsu Group should be of Aptian to Albian in age. 根据孢粉学证据，克孜勒苏群下亚旋回应属于尼欧克姆期，或赫特里夫期至巴列姆期，克孜勒苏群上亚旋回应归于阿普第期至阿尔必期。
According to the fossil records and the distribution pattern of extant Magnoliaceae, the results can be drawn as follows: 1) This family originated no later than Early Cretaceous (Aptian to Albian). 根据现有化石记录 ,并结合木兰科现代植物的地理分布 ,推测 :1)木兰科的起源时间不迟于早白垩世Aptian Albian期 ;
Aptian to Albian 阿普第期-阿尔必期
Aptian--early Albian Aptian期-早Albian期