freshwater algae consisting of minute filaments containing spiral chlorophyll bands
Spirogyra is a genus of filamentous green algae of the order Zygnematales, named for the helical or spiral arrangement of the chloroplasts that is diagnostic of the genus. It is commonly found in freshwater areas, and there are more than 400 species of Spirogyra in the world.
例句与用法
1.
Examples include filamentous algae such as spirogyra , and waterweeds like the canadian pondweed ( elodea ) 例如像水绵的丝状藻，水蕴草，加拿大的眼子菜（伊乐藻属）等。
2.
The vegetative body of the filamentous algae ( e . g . spirogyra ) , composed of a line of similar cells joined by their end walls 丝状体： 2 .丝状藻类的植物体（如水绵） ，由一列相似的细胞彼此通过端壁连接而成。
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