单词 hopperings 释义 hopperings, n. pl.|hprz|[f. hopper1 + -ing1.]Gravel retained in the hopper in gold- or diamond-washing.1893Westm. Gaz. 29 Apr. 7/3 The yield of diamonds from the hopperings is 6 carats per 100 loads.1898Daily News 27 Jan. 9/5 Washed...