Stonewort

[stәunwә:t]

解释:

(noun.) any of various submerged aquatic algae of the genus Chara having nodes with whorled filamentlike branches; usually encrusted with calcium carbonate deposits.

艾米编辑--From WordNet

解释:

(n.) Any plant of the genus Chara; -- so called because they are often incrusted with carbonate of lime. See Chara.

多琳校对