| 释义 |
DEFINITIVE EXAMPLES 权威例句〔pair〕To arrange in sets of two; couple.配对：安排成两个的一对；成对出现美国传统〔somite〕A segmental mass of mesoderm in the vertebrate embryo, occurring in pairs along the notochord and developing into muscles and vertebrae.体节：脊椎动物胚胎中胚层中的体节物质，沿脊索成对出现，后生长成肌肉或脊椎美国传统 |