“叉状的”的英语？

叉状的闪电照亮了黑沉沉的天空。The black sky was illuminated by forked lightning.一种岩草, 尤指广阔分布的多小囊体的墨角藻属, 有叉状的, 棕绿色充满气泡的枝条.Any of certain rock weeds, especially the widely distributedFucus vesiculosus, having forked, brownish - green bra...