The human body is a complex multicellular system.

人体是一个复杂的多细胞的系统。

A multicellular organism is composed of many cells.

多细胞的生物由许多细胞组成。

Plants and animals are examples of multicellular life forms.

植物和动物是多细胞的生命形式的例子。

Multicellular organisms have specialized cells for different tasks.

多细胞的生物有专门的细胞来执行不同任务。

Scientists study multicellular organisms to understand development.

科学家研究多细胞的生物以了解其发育过程。

We think bacteria made the rules for how multicellular organization works.

我们认为细菌制定了多细胞的组织运作规则。

What genetic change allowed multicellular animals to come into existence remains obscure.

什么样的遗传突变产生了多细胞的动物还不清楚.

Stems, petioles, abaxial leaf blade, and peduncle of male cymes densely covered with villous multicellular hairs.

茎，叶柄，背面的叶片和雄性聚伞花序密被具长柔毛多细胞的毛的花序梗。

Fungi are seen as a diverse group of either single-celled or multicellular organisms that obtain food by direct absorption of nutrients.

真菌被视为一个庞大的族群，是单细胞或多细胞的生物，摄取食物的方式是直接吸收营养素。

Life's long journey from single- celled organisms to multicellular plants and animals may have depended upon the increasing presence of oxygen in the atmosphere, a new study suggests.

一项新的研究表明，地球生物从单细胞的有机体一直发展到多细胞的植物和动物这样一个漫长的旅途很有可能依赖于大气中氧含量的增加。