细胞

细胞是构成一切生物的单位。

The cell is the unit of which all living organisms are composed .

我们人体的每个细胞都包含46个染色体。

Each cell of our bodies contains 46 chromosomes .

癌细胞可能扩散到身体的其他部位。

The cancer cells may invade other parts of the body .

红细胞大致呈圆盘状。

Red blood cells are roughly the shape of a disk .

通过磨砂膏去除死皮细胞。

Slough off dead skin cells by using a facial scrub .

卵受精后细胞立即开始分裂。

Immediately after fertilization , the cells of the egg divide .

白细胞攻击受到感染的细胞。

The white blood cells attack cells infected with an invader .

细胞的繁殖导致有机体的迅速生长。

Multiplication of cells leads to rapid growth of the organism .

受感染的细胞接着转移到身体的其他部位。

The infected cells then migrate to other areas of the body .

脑细胞一旦遭到破坏，就不能再生。

Once destroyed , brain cells do not regenerate .

这些细胞能自我复制。

These cells are able to reduplicate themselves .

所有的生物都由细胞组成。

All living things are composed of cells .

细胞迅速分裂。

The cells began to divide rapidly .

细菌一进入血液里，就附着在红细胞表面上。

Once in the bloodstream , the bacteria adhere to the surface of the red cells .

他们的解决方案是分离出特定的B细胞克隆，然后将它们和癌细胞结合。

Their solution was to isolate specific clones of B cells and fuse them with cancer cells

辐射可能以一种我们过去未能预见到的方式破坏细胞。

Radiation may damage cells in a way that was previously unforeseen

如果卵细胞没有受精，雌激素和黄体荷尔蒙就会下降。

If the egg is not fertilised oestrogen and progesterone decrease .

活细胞中所有复杂的运行成分都由蛋白质分子构成。

Protein molecules compose all the complex working parts of living cells

许多毒效可以从细胞层次上去研究。

Many toxic effects can be studied at the cellular level .

该技术是把健康细胞注射到衰弱的肌肉里面。

The technique consists of injecting healthy cells into the weakened muscles

这些可能会在细胞表面和受体分子结合在一起。

These may bind to receptor molecules on the surfaces of cells

细胞的常态是死亡而不是存活。

Death , not life , is the default state of cells .

镰状细胞贫血通过隐性基因遗传给后代。

Sickle-cell anaemia is passed on through a recessive gene .

肺细胞约每周新老更替一次。

Lung cells die and are replaced about once a week

肌肉细胞需要很多能量，所以会燃烧大量卡路里。

Muscle cells need lots of fuel and therefore burn lots of calories

这些细胞可以直接攻击和杀死微生物。

These are the cells that directly attack and kill micro-organisms

我们知道不断增加的引力会加速细胞的分裂。

Increasing gravity is known to speed up the multiplication of cells .

细胞不断地分裂更新，这是人体发育过程的一部分。

Cells divide and renew as part of the human growth process .

那些细胞分裂，产生出许多不同种类的细胞。

Those cells divide and give many other different types of cells .

细胞会立即开始吸收水分。

The cells will promptly start to soak up moisture .