duckweed是什么意思_duckweed怎么读_音标ˈdʌkwi:d

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duckweed是什么意思音标:英 [ˈdʌkwi:d]美 [ˈdʌkˌwid]

n. 浮萍

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

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