The only access to the farmhouse is across the fields.

The doctrine of surplus value is the cornerstone of Marx's economic theory.

剩余价值学说是马克思经济理论的基石.

He hasn't a leg to stand for this theory of his.

他的这种理论是站不住脚的.

Copernicus was terribly persecuted for his scientific theory.

哥白尼由于其科学理论而遭到严重的迫害.

Einstein's theory of relativity won for him universal esteem.

爱因斯坦的相对论赢得了全世界对他的崇敬.

His experiment negatived the theory.

他的实验驳斥了这个理论.

The theory is based on the hypothesis that all men are born equal.

这个理论基于人人平等的前提.

Our theory countered his.

我们的理论和他的相反.

The biologist advanced a new theory of life.

这位生物学家提出了一个有关生命的新学说.

Your plan sounds fine in theory.

你的计划在理论上听起来不错.

These new facts make the theory improbable.

这些新出现的事实使这一理论变得荒谬.

Most of us don't hold with his theory.

我们大多数人不同意他的看法.

Einstein's theory of relativity is very abstruse.

爱因斯坦的相对论非常难懂.

Ade couldn't relate the phenomena with any theory he knew.

艾德无法用他所知道的任何理论来解释这种现象.

He cited Australia's sporting success as evidence for his theory.

他引用澳大利亚体育方面的成功来证明他的理论.

I find your theory is untenable and it must be rejected.

我觉得你的理论是站不住脚的,必须予以摒弃.

The scientist elucidated his theory by three simple demonstrations.

这位科学家以三个简单的实例来说明他的理论.

The theory is not yet scientifically established.

这个理论尚未被科学地证实.

This theory was initially received with great scepticism by her fellow scientists.

她的科学界同行最初对这一理论持有强烈的怀疑态度.

The theory is of limited usefulness.

这个理论用途有限.

Dr Subroto questioned the scientific assumption on which the global warming theory is based.

苏布罗托博士质疑全球变暖理论所依据的科学假设。