| 单词 | pleuston |
| 释义 | pleuston —pleustonic /plooh ston"ik/, adj. /plooh"steuhn, -ston/, n. Biol. a buoyant mat of weeds, algae, and associated organisms that floats on or near the surface of a lake, river, or other body of fresh water. [1940-45; pleus- ( < Gk pleûs(is) sailing, or pleus- aorist s. of pleîn to sail, go by sea) + -ton, on the model of NEKTON, PLANKTON] |
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