And hardwoods that come from flowering plants such as oak, maple and walnut need more than 30 years.

而源自橡木、枫木、胡桃木等鲜花植物的硬木需要30年以上。

youdao

And hardwoods that come from flowering plants such as oak, maple and walnut need more than 30 years.

而源自橡木、枫木、胡桃木等鲜花植物的硬木需要30年以上。

youdao