leucocephalaBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 🌏白头鸫鶥；白头鵐；白头鹀 Although the vertical structure of community can be divided into tree layer, shrub layer and low coverage herb layer, Leucaena leucocephala dominated in tree layer and shrub layer. 垂直结构单调，虽可分为乔木层、灌木层、草本层，但乔灌层均以新银合欢占优势，草本层盖度低。 sswcc