这种方法特别适合于研究叶表皮密被绒毛的植物。
Especially this method is suitable for the leaf with pubescence.
美洲一种结红果的山楂，叶和茎密被短绒毛。
American red-fruited hawthorn with stems and leaves densely covered with short woolly hairs.
大白熊拥有双层被毛，即柔软的绒毛和厚密的外毛。
The Pyr has a heavy, primarily white double coat, that consists of a soft undercoat combined with a thicker outer coat.
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