单词blue green alga
n.: 蓝藻
蓝藻
That"s why no reptile degenerates to a blue green alga.
为什么中间没有发生过爬行动物又退化回蓝藻的现象?
Magical microbe: Lyngbya, a blue-green alga usually has many cells joined together
神奇的微生物:螺旋藻(Lyngbya),一种蓝绿色海藻,一般由许多细胞组合在一起。