Organelles are functional units of the cell, just like organs are the functional units of our bodies.

细胞器是细胞的功能单位，就像器官是我们身体的功能单位一样。

The cortical bone, in turn, is made up of many functional, pipe-like units called osteons, which run through the length of the bone.

皮质骨由很多叫做“骨单位”的功能性管状单位构成，贯穿了整段骨骼。

The idea of packing up functional units into nested objects is called Object Oriented Programming.

将功能单元打包成嵌套对象的想法称为面向对象编程。

Breaking up a big program, like a car's software, into functional units is perfect for teams.

将一个大程序（如汽车软件）分解为功能单元非常适合团队。

As you have less and less of these basic liver functional units, your liver becomes less and less able to do its job of detoxification.

当这些肝脏基本功能单位越来越少时，肝脏逐渐无法胜任其解毒的工作。

Here's a pretty basic layout of the basic functional unit of the liver, you've got the portal vein and hepatic artery that combine into a sinusoid, which then goes into the central vein, and these are all lined with hepatocytes.

这是一个肝脏基本功能单位的简单示意图，你可以看到由门静脉和肝动脉来的血液在血窦汇集，然后流入中央静脉，这些都与干细胞相平行。