herb layer

• 草本层

herb layer的用法和样例：

例句

1. C. gigantea is a uni-predominant species in the arbor layer, microphyll and simple leaf hemicryptophytes are dominated in the shrub and grass layers.
   巨柏是乔木层的单优势种，灌木层和草本层以全缘草质小型单叶地面芽植物为主。