| 释义 |
DEFINITIVE EXAMPLES 权威例句〔allantoid〕Of or having an allantois.尿模的：尿模的，有尿模的美国传统〔embryonic membrane〕Any of the membranous structures closely associated with or surrounding a developing vertebrate embryo, including the amnion, chorion, allantois, and yolk sac.胚膜：任何与发育中的胚胎相关或包围胚胎的膜状结构，包括衣胞、绒膜胚囊、尿膜和卵黄囊美国传统 |