pond scum

There was green scum over the pond.

池塘水面有绿色的浮藻.

daniel kammen: a variety of algae, actually the common pond scum to various plants, they produce different oils in their cell walls.

丹尼尔·科曼：这里的各种藻类其实是指一般的绿藻类植物。它们的细胞壁会分泌各种不同的油，产量还不低。

JERRY: Right. For reducing the pond scum?

杰瑞: 是的, 因为他减少了池塘里的污渍?

this is a sea dragon, and the one on the bottom, the blue one, is a juvenile that has not yet swallowed the acid, has not yet taken in the brown-green algae pond scum into its body to give it energy.

那只在底部，蓝色的，是幼虫，尚未吞进酸，也尚未食用棕绿色的海藻浮渣到体内提供能源。

Toxic cyanobacteria, commonly referred to as pond scum , turned the big lake fluorescent green.

有毒蓝藻, 通常也被称为绿藻,使太湖整个湖体成为荧光绿色.

Daniel Kammen : A variety of algae, actually the common pond scum to various plants cell walls.

丹尼尔·科曼: 这里的各种藻类其实是指一般的绿藻类植物.