steeply是什么意思 adv. 险峻地 r. in a steep manner steeply的用法和例句: 1. This shaft's been descending rather steeply for over 200 metres. 竖穴很险峻 向下延伸了 超过两百米 2. Further east, the odds of a castaway making land drop steeply as the islands b...