词汇	volcanic ash deposit
释义	volcanic ash deposit 火山灰堆积
随便看	expectation prediction value expectation product expectation profit biggest method expectation programming expectation role expectations expectations and perceptions expectations-augmented phillips curve Expectations Costs expectation set expectations game expectations hypothesis expectations hypothesis of the term structure Expectations Index expectations in psychological contract expectation sketch expectations of dramatic new evidence expectations of employment expectations of great works expectations of learning expectations of service recovery expectations of the new year expectation speed expectation state expectations theory