theory

复数：

名词复数: theories

更多词形：

名词复数: theories |

单词例句：

Not everyone can understand Einstein's Theory of Relativity.

不是每个人都能读懂爱因斯坦的相对论的。

In this way they can better apply theory to practice.

这样他们就能更好地把理论运用到实践中去。

The magazine was the marketplace of literary theory.

那本杂志是文学理论激战之论坛。

He finally find out the method for apply his theory to phenomena.

他终于发现了他的理论运用在某种特殊现象的方法。

It may be so in theory, but how will it work in practice?

理论上也许是如此，但是在实际上怎样才能行得通呢？

What she said was a useful simplification of the theory.

她把这一理论讲得深入浅出。

A scientist must produce evidence in support of a theory.

科学家必须提出证据以支持其理论。

For several years his theory held the field.

几年来他的理论一直保持着权威地位。

Darwin spend more than twenty year work on his theory of evolution.

达尔文花了二十余年时间研究他的进化论。