The catalog also has ever-increasing amounts of harvestable, structured, semantic metadata about its concepts.
这个目录还有不断增长的可收割、结构化的语义元数据，用来描述这些概念。
2
With the hot weather, frequent feedings, and fresh water, fish destined for dinner in the U.S. need just a few months to grow to a harvestable size of 1 to 2 pounds.
No new rights are given over fish or other creatures in the water column, but living creatures on or below the seafloor that are immobile “at the harvestable stage” are treated like minerals.