substratum
US /səbˈstræt̬.əm/
UK /səbˈstrɑː.təm/
名词
1.
底层, 基质
an underlying layer or substance
示例:
•
The archaeological dig revealed a clay substratum beneath the ancient city.
考古发掘揭示了古城下方的黏土底层。
•
The plant requires a specific soil substratum to thrive.
这种植物需要特定的土壤底层才能茁壮成长。
2.
底层语言, 基底语言
a language that influences another language, especially one that has been replaced by it
示例:
•
Latin acted as a substratum for many Romance languages.
拉丁语是许多罗曼语的底层语言。
•
The Celtic language is considered a substratum in the development of English.
凯尔特语被认为是英语发展中的底层语言。