把这一句，留给此刻的你
I also assume that they are not simply the physical properties of things as now conceived by physical science. Instead, they are ecological, in the sense that they are properties of the environment relative to an animal.
我还假设它们不仅仅是物理科学所设想的事物的物理性质。相反，它们是生态的，因为它们是环境相对于动物的属性。