在显微镜下,每株植物,每个动物,都像一座座高楼大厦。大楼里分隔成许多“小房间”。这些“小房间”就是“细胞”。十九世纪,德国科学家发现,世界上所有的植物和动物都是由细胞组成的,都是“小房间”的集合体,人体是细胞组成的“细胞联邦”。这些奇特的小房间会自动扩建。扩建后便在 Under the microscope, every plant, every animal, is like a high-rise building. The building is divided into many “small rooms.” These “cubicles” are “cells.” In the nineteenth century, German scientists found that all the plants and animals in the world are made up of cells, all of which are collections of “cubicles”. The human body is a “cellular federation” of cells. These strange little room will be automatically expanded. After the expansion will be