dropwall
词形变化
dropwalls
复数
dropwalls
释义与例句
n.
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1.
A prefabricated wall that is supported by a framework.
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2.
A short wall used as a weir or floodgate to control the flow of water.
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3.
A temporary barrier used to surround troops or protect battlements, often with spikes on the outside to prevent the enemy from scaling it.