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KB Term:
Cliff
Sigma KEE - Cliff
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懸崖
A
Cliff
is any high, very-steep-to-perpendicular or overhanging face of rock or earth, a precipice.
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傾斜的區域
A
SlopedArea
is a land surface which lies at an angle to the horizontal so that some points on it are higher than others, a slope.
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