有些地区的年节餐桌上常见发菜，但它其实是一种生长缓慢的蓝藻。
In some regions, 发菜 is commonly served at holiday meals, but it is actually a slow-growing type of blue-green algae.
In some regions, 发菜 is commonly served at holiday meals, but it is actually a slow-growing type of blue-green algae.