precipitously
adv. 险峻地；轻率地；急促的；仓促的
近义词：sharply，rashly，quickly，hurriedly，swiftly，impulsively，hastily，inarush，inahurry，precipitately，steeply，vertically，abruptly，loftily，sheer，sheerly，
英英释义
Adverb
- very suddenly and to a great degree;
"conditions that precipitously increase the birthrate" "prices rose sharply"
- abruptly; in a precipitous manner;
"the mountains rose precipitously from the shore"
例句
- The mountain path descended precipitously to a small valley.这条山间小道急转直下，通到一个小山谷。