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A sharp or projecting corner, as of a building.
尖角，突角：一个尖的或突出的角，如建筑上的。
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Having the lower jaw or teeth projecting beyond the upper; underhung.
下门牙或下颌突出的下颌或牙突出超过上颌或牙的；
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Having the lower jaw or teeth projecting beyond the upper; underhung.
下门牙或下颌突出的下颌或牙突出超过上颌或牙的；
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