The girl appearing on the picture must be flawless in terms of her facial expression and the great feeling she can give to people.

在直播画面上的女孩必须在面部表情和给观众的感觉上是完美无缺的。

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Hospital "superbugs" make the biggest headlines, but these especially deadly pathogens are just the extreme expression of a much broader, and more disturbing picture.

医院“超级细菌”成了最大的头条，但这些如此致命的病原体不过是更广阔、更令人焦虑的大局中一个极端的表达。

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Pearl pointed upward, also, at a similar picture in the head-piece; smiling at her mother, with the elfish intelligence that was so familiar an expression on her small physiognomy.

珠儿还向上指着头盔中一个相似的映象，一边向母亲笑着，小脸上又露出了那常有的鬼精灵的表现。

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I ended with this picture that shows you a little bit about control of gene expression.

我用这幅图结束了上一节课,图上讲了一些关于基因表达调控的内容

耶鲁公开课 - 生物医学工程探索课程节选

I want you to look at this picture, read the little bit about gene - control of gene expression - that's in the book, know that it's a big topic, that we're not going to talk about it except we're going to talk about some examples where control of gene expression can be exploited in order to treat diseases, for example. So I'll see you on Thursday.

所以我希望你能看一下这张图,读一些,教材里基因调控的章节,这是个很大的话题,我们不会进一步深入去探讨,但一些基因调控,用以治疗疾病的例子,我们可能还会在之后的课程中讲到,那我们周四见了

耶鲁公开课 - 生物医学工程探索课程节选