there might be in the clammy air. 可能存在的稀薄氧气

256. that drift invisibly away.
     无形地飘散各处
257. Many have fruiting bodies
     许多长出子实体的蘑菇
258. that reach upwards to catch any feeble current
     努力朝上生长 以捕捉潮湿空气中
259. there might be in the clammy air.
     可能存在的稀薄氧气
260. But this one, as it grows,
     然而这一株 长着长着
261. becomes luminous.
     却发起了光
262. Why fungi light up has remained a mystery...
     蘑菇发光的原因一直是个谜团

来自《行星地球 第二季 第三集 Planet Earth S02E03 丛林》第 259 行