单词	stonewort
释义	stonewort /ˈstəʊnwəːt / noun A freshwater plant with whorls of slender leaves, related to green algae. Many kinds become encrusted with chalky deposits, giving them a stony feel. Chara and other genera in the class Charophyceae, division Chlorophyta; sometimes placed in its own division (Charophyta). Spirogyra, stoneworts, and desmids are all members of this fresh-water group of ‘green algae’.... Evidence for this is provided by stoneworts, highly specialised and complex algae that are often called the ‘coal-mine canaries of the plant world’. The Charales, commonly known as stoneworts or brittleworts, flourish in fresh and brackish water habitats throughout the world.
随便看	pulegone puler Pulfrich puli pulicat pulicine Puligny-Montrachet pulikins Pulitzer, Joseph Pulitzer Prize pulk pulka pull pullable pull a boner pull a face (or faces) pull a fast one pull-along pull-and-push pull-apart pull-away pull-away boy pullback pull back (or pull someone/thing back) pull-bell

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