pubescence
n. 软毛;到达青春期
例句
Leaf blade thinly leathery; fruit with coarse pubescence.
叶片薄革质;果具粗糙的短柔毛。
Especially this method is suitable for the leaf with pubescence.
这种方法特别适合于研究叶表皮密被绒毛的植物。
The collective trichome cover of a plant surface is called pubescence.
植物表面聚集的毛状物称为柔毛。