concrete bit的意思|示意

A class like TextSplitter (or its future descendents) might contain a bit of functionality that might be useful for a number of concrete descendents.

类似 TextSplitter 的类（或其未来的派生类）往往会包含针对许多具体派生类的有用功能。

Your mind is already in that mode of bringing ideas from concept to something a little bit more concrete.

你的大脑已经处在能把概念转化为比较具体的实物的模式中了。

The convention centre is the typical cheap conference shed, but its boxy facade has been gussied up with a bit of Barcelona bling: a piece of curvy modern architecture in glass, concrete and steel.

会场简约得很典型，不过正面有一个盒体，装扮得略显巴塞罗那风格：玻璃、钢材以及混凝土做成的现代曲状建筑。