persistent sheath

• 宿存鞘

persistent sheath的用法和样例：

例句

1. Fruit baccate, many-seeded, with a persistent style.
   浆果状的果，种子多数，具一宿存花柱。
2. The persistent synergid may still have a synthetic function as its cell wall becomes thick and lipids occur.
   因宿存助细胞壁变厚，细胞质内出现脂滴，宿存助细胞可能仍有合成功能。