a precipitous decline in exports的用法和样例：
- Supreme Court spokeswoman Kathy Arberg said Rehnquist had "continued to perform his duties on the court until a precipitous decline in his health the last couple of days."
- That "something else" is the precipitous decline in the value of the US dollar.
- The bluefin has proved to be no match for a high-tech fishing industry which has sent their numbers into a precipitous decline.
- The decline in exports was blunted by a rise in US military sales contracts.