cretaceous + noun
作定语,修饰名词,表示与白垩有关或含白垩的。
The region is known for its cretaceous rock formations.
该地区以其白垩岩层而闻名。
白垩的;由白垩构成的
先理解核心含义,再看它在真实句子里的用法。
白垩的;由白垩构成的
Of, relating to, or consisting of chalk.
The region is known for its cretaceous rock formations.
该地区以其白垩岩层而闻名。
白垩的;与白垩有关的。
Of or relating to chalk.
由白垩构成的。
Consisting of chalk.
The cliffs here are cretaceous, made of soft white chalk.
这里的悬崖是白垩质的,由柔软的白色白垩构成。
We studied the cretaceous layers of the quarry to understand how chalk forms.
我们研究了采石场的白垩层,以了解白垩是如何形成的。
A cretaceous soil is usually pale and drains quickly.
白垩质土壤通常颜色浅淡,排水很快。
作定语,修饰名词,表示与白垩有关或含白垩的。
The region is known for its cretaceous rock formations.
该地区以其白垩岩层而闻名。
作表语,表示由白垩构成,常用于地质或土壤描述。
The deposit is cretaceous.
这个沉积物是白垩质的。
Not this
This rock is very cretaceous.
Use this
This rock is very chalky.
cretaceous 是关系/物质形容词,表示“白垩的、由白垩构成的”,不能表示可分级的性质,通常不与 very 连用;表达“很白垩质的”应改用可分级形容词 chalky。
Not this
The white cliffs are made of cretaceous.
Use this
The white cliffs are made of chalk.
cretaceous 是形容词,不能作 made of 的宾语;表示“白垩”这种物质要用名词 chalk。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
白垩质石灰岩
The cliffs are made of cretaceous limestone.
这些悬崖由白垩质石灰岩构成。
白垩沉积物
Geologists found cretaceous deposits beneath the soil.
地质学家在土壤下方发现了白垩沉积物。
白垩岩
The region is known for its cretaceous rock formations.
该地区以其白垩岩层而闻名。
白垩地层
The cretaceous strata contain many fossils.
白垩地层含有许多化石。
Use Cretaceous naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
白垩纪 Cretaceous 开头像 crayon(粉笔)的 cray,想到白垩(粉笔原料),即'白垩的'。
语域:formal 常见场景:地质学文献、岩石与矿物描述 该词表示“白垩的”或“由白垩构成的”,通常用于地质学、矿物学等专业领域,多出现在学术文献或技术性描述中,日常口语中比较少见。
cretaceous 的 -aceous 读 /eɪʃəs/。以上词中,前四个都带 -aceous 拼写并押韵,spacious 与 gracious 拼写不同但同样押韵。注意形似的 facetious /fəˈsiːʃəs/ 重读元音不同,不押韵。
Dictionary facts from ECDICT, WIKTIONARY.