A support or foundation.

• 支撑或基础

A support or foundation.的用法和样例：

例句

1. To output the resources to the underlying file or stream before closing it.
   以便在关闭基础文件或基础流前将资源输出到其中。
2. The compiler uses each data type keyword as an alias for the underlying structure or class.
   编译器将每种数据类型关键字用作基础结构或基础类的别名。