It gets worse over time. The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.04.07

Bacterial cells are small, one to two microns in diameter and this shows a picture of a common bacterium called E. Coli.

细菌细胞很小,直径只有一到两个微米,这张图片是一种常见细菌,大肠杆菌

耶鲁公开课 - 生物医学工程探索课程节选

Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞,该细胞可在无菌条件下再生,这要比保存小动物容易的多

耶鲁公开课 - 生物医学工程探索课程节选

They found that a small amount of aspirin suppressed the way the cells form tubes.

VOA: special.2009.10.20

Some small subsets do but most of the cells in your brain don't proliferate and that's because they get trapped at one portion of the cell cycle.

除了很小一部分以外大部分脑细胞不增殖,这是因为,它们停滞于细胞周期的某个阶段

耶鲁公开课 - 生物医学工程探索课程节选

The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.02.03

These very small particles are able to specifically recognize certain kinds of cells.

这些微小的小颗粒,可以识别特定种类的细胞

耶鲁公开课 - 生物医学工程探索课程节选

A small molecule gets produced by cells in one part of the body, circulates in the blood, estrogen enters cells, and sometimes that estrogen is able to penetrate deep within the cell, even into the nucleus.

雌激素是由身体某部分细胞分泌的,随着血液循环进入细胞,有时雌激素能够进入到细胞内部,甚至进入到细胞核内

耶鲁公开课 - 生物医学工程探索课程节选

One of the enzymes that often gets activated is an enzyme which converts ATP, a small molecule that is inside all of our cells.

在经常被激活的酶中有一种酶,其功能是转化ATP,ATP是一种,存在于所有细胞中的小分子物质

耶鲁公开课 - 生物医学工程探索课程节选

The other thing that it does is that when a virus is inside these cells making its proteins, some of those proteins get processed or digested into small fragments that are themselves antigens.

HC的另一项作用是,当病毒在细胞内表达蛋白时,一些蛋白被加工,或者,分解成小片段而成为抗原

耶鲁公开课 - 生物医学工程探索课程节选