构成客体的总是基本物质，而在事物的自然过程中，这些基本物质被磨损，变得“陈旧”。

It is always the basic material which constitutes the object and which, in the natural course of things, is worn down and becomes "older".

youdao

然而，很少有人意识到基本技能的重要性。如图所示，班上的学生正在质疑学习诸如乘法表这样的基本技能的必要性。

However, few people realize the importance of basic skills. As is shown in the picture, the pupils in the class are questioning the necessity of learning basic skill such as multiplication table.

youdao

我希望这些能够充分的解释连接操作符的基本概念和在PHP里的作用，以及我对这个基本操作的经验。

I hope this sufficiently explains concatenation in general, how it relates to PHP, and my experience with using this basic operator.

youdao

Yes, and nobody is even bothered by the fact of this happening. -Right. -It violates the most elemental principles of common sense.

是的，甚至没有人因此事而烦恼,对　-这违背了,常识中最基本的原则。

斯坦福公开课 - 经济学课程节选

Well, here are some basic facts that-- remember we're trying to think like evolutionary biologists here.

我们了解笑的几个基本事实-,记住了，我们是从进化的角度来思考这个问题的。

耶鲁公开课 - 心理学导论课程节选

I started last time, and actually my whole lecture existed under the rubric of, this quotation from Sabbath Lily Hawks, and I'm just going to read it to you again. "I like his eyes.

上堂课我给你们介绍了一下这部小说的基本内容，这次的讲座,将从萨巴斯-莉莉-霍克斯的引语开始，我现在要再将这段话朗读一遍，我喜欢他的眼睛。

耶鲁公开课 - 1945年后的美国小说课程节选