tawny pubescence

例句：

1. 1. The baby's first hair is a soft tawny color.
   婴儿的第一根头发是柔和的棕褐色。
2. 2.The tawny pubescence of the new leaves is a sign of spring.
   新叶的棕褐色初生毛发预示着春天的到来。
3. 3. The tawny pubescence of the forest floor is a testament to the richness of the ecosystem.
   森林地面的棕褐色初生毛发是生态系统丰富性的见证。