pre.cip.i.tous pr?`s?p?t?s;pri?sipit?s <<形容詞>> 1 極陡峭的; 似懸崖的 2 有絕壁的 a precipitous bluff 有數(shù)個(gè)絕壁的海角 3 極速的; 突然的 "The change was included a precipitous collapse of Communist authority." (New York Times) 這項(xiàng)改變包含了共產(chǎn)主義者權(quán)威的驟然崩解 <<副詞>> pre.cipi.tous.ly <<名詞>> pre.cipi.tous.ness