adjective 下载 🔗分享 白垩的,白垩纪的 Of or relating to chalk. Examples : "The Cretaceous period saw the development of abundant chalk formations. " 白垩纪时期出现了大量的白垩地层。 geology age 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 白垩的,白垩纪的 Consisting of chalk. Examples : "The artist preferred using cretaceous pencils for sketching because they created soft, easily blendable lines. " 这位艺术家喜欢用含白垩成分的铅笔来素描,因为它们能画出柔和且容易晕染的线条。 geology material substance 与AI对话词汇游戏阅读练习