For example, they contain a cell wall.

例如，们包含一个壁。

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.

能轻松破坏掉菌壁，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.

菌利用酶建立保护性壁，而二者通过抑制酶来杀灭菌。

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

们坚韧孢子具有厚厚壁，可以在极端温度下生存。

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

植物膜外还有额外一层，即所谓“壁”。

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

壁、无用分子和生物体自身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。

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

你牙膏里含有纤维素胶，植物壁也是由纤维素胶构成。

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

壁也对植物如何构建们身体有着深远影响。

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

但植物没有这种择，因为们壁。

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，是由硬质纤维素组成，能形成植物支撑架构。

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，这种结构为形状提供了支持。

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

其后，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壁，由其产生分枝菌酸等分泌物组成。

We're looking for big open holes in the crust, separated by thin pearlescent cell walls, flavors of fermented wheat.

我们希望外壳上有大洞，被薄珠光壁隔开，有发酵小麦味道。

Cellulose will make up 34% of the cell wall at this stage and swiftly increases.

在这一阶段，该纤维素占壁构成成分 34%，且占比仍旧快速上升。