overhang释义(参考iciba):
vt.伸突出,伸出;逼近,威胁;用悬挂物装饰.
vi.悬垂;逼近.
n.突出物;延伸量,伸出量;[航]突出船首(或船尾),(无法兑换黄金的)美元过剩额.
而overhanging只是overhang的现在分词,可做形容词:
e.g.Each upstairs room opened on a balcony shaded by an overhanging roof.
楼上的每个房间都有飞檐遮阴的阳台.
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