but here, they occupy one-tenth of that area.
可在这里它们只占据了十分之一的面积

Question

This tree is rising nearly 30 storeys.
这棵树被吊到约三十层楼高
It's one of almost 800 being planted to create a vertical forest in Milan.
它和其他近八百棵树一起被种下旨在打造一座米兰的垂直森林
This number of living trees would normally fill two hectares of woodland,
这个数量的树木相当于两公顷的森林
but here, they occupy one-tenth of that area.
可在这里它们只占据了十分之一的面积
Greening the walls and roofs of our buildings
绿化建筑的外墙和屋顶
could create a rich and extensive habitat,
就能打造一座茂盛而广阔的栖息地
if we wanted it to do so.
只要我们有心去做

来自《行星地球第二季第六集 Planet Earth S02E06 城市》第 347 行

but here, they occupy one-tenth of that area. 可在这里 它们只占据了十分之一的面积