For example, they contain a cell wall.

例如，它们包含一个壁。

Their hardy spores sport thick cell walls that allow them to survive extreme temperatures.

它们坚韧的孢子具有厚厚的壁，可以在极端温度下生存。

The cell wall is tough, and stronger than a membrane.

壁比较坚硬，要比膜更坚韧。

That cell has multiple layers of cell wall.

这种有好几层壁。

It destroys the cell walls of bacteria, which breaks them apart.

它能轻松破坏掉菌的壁，使其分崩离析。

Atom by atom, we'll assemble small machines that can enter cell walls and make repairs.

也能够一个原子一个原子地组装微型机械，使之穿过壁，然后修复。

They kill bacteria by inhibiting enzymes the bugs use to build their protective cell walls.

菌利用酶建立保护壁，而二者通过抑制酶来杀灭菌。

Plant cells have an extra layer called a cell wall that surrounds the membrane.

植物膜外还有额外的一层，即所谓的“壁”。

Cell walls, useless molecules and the organism's own DNA are all thrown away.

壁、无用的分子和生物体自身的DNA都弃之不用。

Cell walls provide support for plants to grow and keep their shape.

壁对植物生长和形状维持起到支持作用。

The cell wall also has profound implications for how plants build their bodies.

壁也对植物如何构建它们的身体有着深远的影响。

Your toothpaste contains cellulose gum, the same stuff that plants' cell walls are made of.

你的牙膏里含有纤维素胶，植物的壁也是由纤维素胶构成的。

But plant cells don't have that choice because of their cell walls.

但植物没有这种选择，因为它们的壁。

They're still connected through tiny channels in their cell walls called plasmodesmata that allow them to communicate.

它们仍然通过壁上被称为浆连丝的微小通道连接在一起，使它们能够交流。

Only plant cells have a cell wall, which is made of rigid cellulose that gives the plant structure.

但只有植物有壁，它是由硬质纤维素组成，能形成植物的支撑架构。

So while an animal cell has a membrane, a plant cell has a membrane and a cell wall.

动物有膜，植物有膜和壁。

A cell wall is made of cellulose and this structure provides support for the shape of the cell.

壁是由纤维素构成的，这种结构为的形状提供了支持。

They digest their own insides to become hollow, and their strong cell walls make perfect water-transporting pipes.

它们消化自己的内部从而变成中空的，它们坚固的壁是完美的输水管道。

Then it begins the next stage: strengthening the cell wall.

其后，它便进入下一个生长阶段：强化壁。

They've got an unusually waxy cell wall which is mainly a result of the production of mycolic acid.

这些菌通常会有蜡样的壁，由其产生的分枝菌酸等分泌物组成。