All living things are composed of cells. Some microscopic organisms, such as bacteria and protozoa, are unicellular, meaning they consist of a single cell. Plants, animals, and fungi are multicellular; that is, they are composed of a great many cells working in concert.
- cell [sel] n. 细胞
- microscopic [ˌmaikrəsˈkɔpik] adj. 极微小的
- organism [ˈɔ:ɡənizəm] n. 有机生物
- protozoan [ˌprəutəuˈzəuən] n. 原生动物 (plural: protozoa[prəutəuˈzəuə])
- unicellular [ˈju:niˈseljulə] adj.单细胞的
- fungi [ˈfʌndʒai,ˈfʌŋɡai] n.真菌类
- multicellular [ˌmʌltiˈseljulə] adj.多细胞的
- in concert [in - ˈkɔnsət] adv. 同时
