| 释义 |
DEFINITIVE EXAMPLES 权威例句〔metamerism〕The condition of having the body divided into metameres, exhibited in most animals only in the early embryonic stages of development.位变异构：身体被分成一系列相同体节的状况，在大多数动物中仅存于胚胎发育的早期阶段美国传统〔segment〕Biology A clearly differentiated subdivision of an organism or part, such as a metamere.【生物学】 体节：某一器官或部位再分的有明显区别的部分，如分裂片美国传统 |