EGFR过表达的肿瘤放疗效果差，易复发，预后不良。

EGFR overexpression is associated with more aggressive tumors, resistance to ionizing radiation, easy recurrence and poor prognosis.

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目的：探讨血管内皮生长因子在乳癌中过表达的临床意义。

Objective: To investigate the clinical significance of VEGF expression in human breast cancer.

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基因无效或过表达的生理学模型将成为珍贵的检测这些生物新发现的工具。

Physiological models with invalidated or over-expressed genes will be precious tools to check these new biological discoveries.

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So, Newton did not ever tell you what the expression for force is in a given context.

牛顿从来也没有告诉过你,在这种情况下力的表达式

耶鲁公开课 - 基础物理课程节选

It's great for showing that you've already expressed something and you want to emphasize that point to you are conversant.

在表明你已经表达过某个观点并且想要再次强调的时候，这个句型非常有用。

That's what课堂 - SpeakingMax英语口语达人

All of that is a way of simply saying it was deep and abiding and well-rehearsed thousands of pages were written in defense of slavery.

所有我提到过的著作都是,为了表达深入人心的,持久不变的奴隶制,上千页的著作都是对其的辩护

耶鲁公开课 - 美国内战与重建课程节选