1. 捣矿机,捣矿机组,连续重击杵：staminody spikelet ==> (指莎草科)雄性小穗 | stamp battery ==> 捣矿机,捣矿机组,连续重击杵 | stamp box ==> 捣矿机,捣臼
911chaxun查询·英语单词
noun
1. a series of stamps operated in one mortar for crushing ores
Synonym: battery