双语例句
The haploid pollen cells develop in the tapetal zone from spore mother cells.
单倍体花粉细胞由绒毡层提供营养发育。
词典释义:
n. 花粉区;花粉带;花粉层;花粉带区;花粉分布区
The haploid pollen cells develop in the tapetal zone from spore mother cells.
单倍体花粉细胞由绒毡层提供营养发育。