1. 副詞
   陡峭地, 險峻地
   陡然地
   出乎意料地, 突然地
   

   同義字詞
   cursorily,hastily,headlong,hotfoot,hurriedly,pell-mell,precipitately,rashly
   

例句

1. Meanwhile, the economy deteriorated precipitously .
2. When and joined the chase, the gap fell precipitously .
3. At the same time mining costs had risen precipitously .
4. Sales of Atkins books and food products dropped precipitously .
5. Instead, coverage of climate change has dropped precipitously .
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