long-germ development

• 长胚层发育

long-germ development的用法和样例：

例句

1. Studies on ultrastructure of tapetal development in Dolichos lablab L.
   扁豆绒毡层发育的超微结构研究。
2. Quarternary sand stratum development, with surface run-off directly charging the underground water exists.
   第四系砂层发育，地表水对地下水有直接补给关系。