epigeal cotyledon

• 出土子叶,地上子叶

epigeal cotyledon的用法和样例：

例句

1. The soluble protein declined as the cotyledon development.
   可溶性蛋白的含量随著子叶的发育而逐步降低。
2. Rapid elongation of the hypocotyls after germination pushes the cotyledons above ground in plants showing epigeal germination.
   种子萌发后下胚轴迅速增长，将子叶顶出地面形成地上芽。