The threads attach themselves to the trees' roots. 真菌依附在树的根部
Their little cup-like nests are made entirely from threads of saliva. 它们小巧的杯状燕窝完全由唾液丝筑建
Each glow worm produces dozens of these threads. 每条萤火虫都会吐很多根这样的丝
Beautiful though these threads are, 虽然这些丝看起来很漂亮