Flashboard
[flæʃbɒ:d]
解释:
(n.) A board placed temporarily upon a milldam, to raise the water in the pond above its usual level; a flushboard.
编辑:莉莉
[flæʃbɒ:d]
(n.) A board placed temporarily upon a milldam, to raise the water in the pond above its usual level; a flushboard.
编辑:莉莉