primary wall cell

例句：

1. 1. The primary wall cells are responsible for the production of chlorophyll.
   初级壁细胞负责产生叶绿素。
2. 2.The primary wall cells are crucial in the process of photosynthesis.
   初级壁细胞在光合作用过程中至关重要。
3. 3. The primary wall cells play a vital role in maintaining the plant's structural integrity.
   初级壁细胞在保持植物结构完整性方面起着重要作用。