cliff /ˈklɪf/
懸崖,絕壁
Cliff n. A high, steep rock; a precipice.
Cliff swallow Zool., a North American swallow (Petrochelidon lunifrons), which builds its nest against cliffs; the eaves swallow.
Cliff, n. Mus. See Clef. [Obs.]
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cliff
n : a steep high face of rock; "he stood on a high cliff
overlooking the town"; "a steep drop" [syn: drop, drop-off]