base class

基本解釋

The second way to differentiate your new class is to change the behavior of an existing base-class function.
第二種區(qū)分新類的方法就是去改變基類的已存在的行為（處理方法）。
There's a certain debate that can occur about inheritance: Should inheritance override only base-class functions ?
有一些特定的討論是針對繼承的：是否繼承覆蓋僅僅是基類的方法？
When we construct, copy, assign, or destroy an object of derived type, we also construct, copy, assign, or destroy those base-class subobjects.
當構造、拷貝、賦值或撤銷一個派生類對象時，也要構造、拷貝、賦值或撤銷那些基類的子對象。

So the Tories are desperate to shore up their base among middle-class voters: time therefore for a risk.
ECONOMIST: Clue: not John Major
Our region offers a strong manufacturing and supply chain base, world-class research facilities, a highly-skilled workforce, and economic development organizations that foster innovation and entrepreneurship.
FORBES: The Smart Business of Advanced Energy
Over recent years this version of the party, with its more geographically diverse middle-class base, has lost influence.
FORBES: New Geographer