单词 | water shield |
释义 | water shieldnoun A widely distributed aquatic plant having oval floating leaves, submerged stems coated in mucilage, and small purple flowers, Brasenia schreberi (family Cabombaceae). OriginEarly 19th century; earliest use found in Amos Eaton (1776–1842). From water + shield, after scientific Latin Hydropeltis, former genus name. |
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