| 释义 |
〔spirogyra〕Any of various filamentous freshwater green algae of the genusSpirogyra, having chloroplasts in spirally twisted bands. 水绵：一种水绵 属的淡水中丝状绿色海藻，具有螺旋状扭曲的带形叶绿体 〔gasket〕Any of a wide variety of seals or packings used between matched machine parts or around pipe joints to prevent the escape of a gas or fluid.圆形或带形填塞物：各种各样的填充物或包装物的一种，安于已装配的机器部件之间或管道接通处周围，以免气体或液体泄漏 |