mesophyll的用法和样例：
例句
用作名词 (n.)
- The thick leaves have vein-parellel mesophyll cells.
白城色木槭的叶有平脉叶肉细胞，叶片较厚。 - The margins of pinna are not revolute.The pinna mesophyll is well differentiated with a single vein.
小叶片边缘木反卷，叶肉分化，具单脉，木质部发育为中始式，气孔为单环型。
词汇搭配
- centric mesophyll 环列叶肉
- homogeneous mesophyll 同形叶肉
