Duckweed

[dʌkwi:d]

解释:

(noun.) any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds.

伯尼编辑--From WordNet

解释:

(n.) A genus (Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks; -- called also duckmeat.

卡尔文校对